blocks|key|5287632|text|对于macOS用户，如果您通过brew安装了yarn，可以使用以下命令进行升级：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|5287633|brew+upgrade+yarn|code-block|syntax|javascript|5287634|在Linux上，只需在终端运行以下命令：|5287635|$+curl+--compressed+-o-+-L+https://yarnpkg.com/install.sh+%7C+bash|5287636|在Windows上，使用Chocolatey进行升级|5287637|choco+upgrade+yarn|5287638|致谢：在以下答案的帮助下添加了答案|BOLD|5287639|5287640|https://stackoverflow.com/a/54147594/842607|unordered-list-item|5287641|5287642|5287643|https://stackoverflow.com/a/53710422/842607|5287644|5287645|entityMap|0|LINK|mutability|MUTABLE|url|https://chocolatey.org/|1|2^0|F|4|M|4|0|0|0|0|C|A|0|0|0|0|3|0|0|0|17|1|0|0|0|0|17|2|0|0^^$0|@$1|2|3|4|5|6|7|1E|8|@$9|1F|A|1G|B|C]|$9|1H|A|1I|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|1J|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|1K|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|1L|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|1M|8|@]|D|@$9|1N|A|1O|1|1P]]|E|$]]|$1|Q|3|R|5|H|7|1Q|8|@]|D|@]|E|$I|J]]|$1|S|3|T|5|6|7|1R|8|@$9|1S|A|1T|B|U]]|D|@]|E|$]]|$1|V|3|-4|5|6|7|1U|8|@]|D|@]|E|$]]|$1|W|3|X|5|Y|7|1V|8|@]|D|@$9|1W|A|1X|1|1Y]]|E|$]]|$1|Z|3|-4|5|6|7|1Z|8|@]|D|@]|E|$]]|$1|10|3|-4|5|6|7|20|8|@]|D|@]|E|$]]|$1|11|3|12|5|Y|7|21|8|@]|D|@$9|22|A|23|1|24]]|E|$]]|$1|13|3|-4|5|6|7|25|8|@]|D|@]|E|$]]|$1|14|3|-4|5|6|7|26|8|@]|D|@]|E|$]]]|15|$16|$5|17|18|19|E|$1A|1B]]|1C|$5|17|18|19|E|$1A|X]]|1D|$5|17|18|19|E|$1A|12]]]]

For macOS users, if you installed <code>yarn</code> via <code>brew</code>, you can upgrade it using the below command:
<pre><code>brew upgrade yarn
</code></pre>
On Linux, just run the below command at the terminal:
<pre><code>$ curl --compressed -o- -L https://yarnpkg.com/install.sh | bash
</code></pre>
On Windows, upgrade with <a href="https://chocolatey.org/" rel="noreferrer">Chocolatey</a>
<pre><code>choco upgrade yarn
</code></pre>
Credits:
Added answers with the help of the below answers
<ul>
<li><a href="https://stackoverflow.com/a/54147594/842607">https://stackoverflow.com/a/54147594/842607</a>
</li>
<li><a href="https://stackoverflow.com/a/53710422/842607">https://stackoverflow.com/a/53710422/842607</a>
</li>
</ul>

blocks|key|1760091|text|npm+install+--global+yarn
npm+upgrade+--global+yarn+|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1760092|这应该是可行的。|unstyled|1760093|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>npm install --global yarn
npm upgrade --global yarn 
</code></pre>
This should work.

blocks|key|5287736|text|不记得我是如何安装yarn的，对我有效的命令是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5287737|yarn+policies+set-version|offset|length|style|CODE|5287738|此命令将当前纱线版本更新为最新的稳定版本。|5287739|从文档中：|5287740|5287741|请注意，此命令也是升级Yarn的首选方法-无论您最初是如何安装它的，它都可以工作，否则有时可能很难弄清楚。|blockquote|5287742|5287743|5287744|Reference|5287745|entityMap|0|LINK|mutability|MUTABLE|url|https://yarnpkg.com/lang/en/docs/cli/policies/#toc-policies-set-version^0|0|0|P|0|0|0|0|0|0|0|0|9|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|12|8|@$D|13|E|14|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|15|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|16|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|17|8|@]|9|@]|A|$]]|$1|M|3|N|5|O|7|18|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|19|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1B|8|@]|9|@$D|1C|E|1D|1|1E]]|A|$]]|$1|T|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|U|$V|$5|W|X|Y|A|$Z|10]]]]

Not remembering how i've installed yarn the command that worked for me was: 

<code>yarn policies set-version</code>

This command updates the current yarn version to the latest stable.

From the documentation: 

<blockquote>
 Note that this command also is the preferred way to upgrade Yarn - it will work no matter how you originally installed it, which might sometimes prove difficult to figure out otherwise.
</blockquote>

<a href="https://yarnpkg.com/lang/en/docs/cli/policies/#toc-policies-set-version" rel="noreferrer">Reference</a>

blocks|key|1760196|text|在Linux上，只需在终端运行以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1760197|$+curl+--compressed+-o-+-L+https://yarnpkg.com/install.sh+%7C+bash|code-block|syntax|javascript|1760198|完成此操作后，关闭当前终端，然后再次打开它。然后执行下面的命令，查看当前版本的纱线：|1760199|$+yarn+--version|1760200|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

On Linux, just run below command at terminal:

<pre><code>$ curl --compressed -o- -L https://yarnpkg.com/install.sh | bash
</code></pre>

After do this, close the current terminal and open it again. And then, run below command to check yarn current version:

<pre><code>$ yarn --version
</code></pre>

blocks|key|1760172|text|用于Windows用户的|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1760173|我通常用Chocolatey升级纱线。|offset|length|1760174|choco+upgrade+yarn|code-block|syntax|javascript|1760175|entityMap|0|LINK|mutability|MUTABLE|url|https://chocolatey.org/^0|0|4|A|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@$D|U|E|V|1|W]]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

For Windows users
I usually upgrade Yarn with <a href="https://chocolatey.org/" rel="noreferrer">Chocolatey</a>.
<pre><code>choco upgrade yarn
</code></pre>

blocks|key|1498096|text|yarn+policies+set-version|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1498097|将下载最新的稳定版本|1498098|参考yarn文档https://yarnpkg.com/lang/en/docs/cli/policies/#toc-policies-set-version|1498099|entityMap|0|LINK|mutability|MUTABLE|url|https://yarnpkg.com/lang/en/docs/cli/policies/#toc-policies-set-version^0|0|P|0|0|8|1Z|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|U|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|V|8|@]|D|@$9|W|A|X|1|Y]]|E|$]]|$1|J|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|K|$L|$5|M|N|O|E|$P|Q]]]]

<code>yarn policies set-version</code> 

will download the latest stable release

Referenced yarn docs
<a href="https://yarnpkg.com/lang/en/docs/cli/policies/#toc-policies-set-version" rel="noreferrer">https://yarnpkg.com/lang/en/docs/cli/policies/#toc-policies-set-version</a>

blocks|key|1502768|text|npm+install+-g+yarn+-解决了运行npm+update+--global+yarn时没有发生任何事情的问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1502769|更新纱线的另一种方法：curl+--compressed+-o-+-L+https://yarnpkg.com/install.sh+%7C+bash。|1502770|使用自制软件的Mac用户可以运行brew+upgrade+yarn。|1502771|更多详细信息here和here。|1502772|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/yarnpkg/yarn/issues/3042|1|https://github.com/yarnpkg/yarn/issues/3574^0|0|J|Q|O|0|B|1Q|0|G|H|0|6|4|0|B|4|1|0^^$0|@$1|2|3|4|5|6|7|V|8|@$9|W|A|X|B|C]|$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|13|8|@$9|14|A|15|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|16|8|@]|D|@$9|17|A|18|1|19]|$9|1A|A|1B|1|1C]]|E|$]]|$1|L|3|-4|5|6|7|1D|8|@]|D|@]|E|$]]]|M|$N|$5|O|P|Q|E|$R|S]]|T|$5|O|P|Q|E|$R|U]]]]

<code>npm install -g yarn</code> - solved the issue when nothing happened running <code>npm update --global yarn</code>.

Alternative method to update yarn: <code>curl --compressed -o- -L https://yarnpkg.com/install.sh | bash</code>.

Mac users with homebrew can run <code>brew upgrade yarn</code>.

More details <a href="https://github.com/yarnpkg/yarn/issues/3042" rel="noreferrer">here</a> and <a href="https://github.com/yarnpkg/yarn/issues/3574" rel="noreferrer">here</a>.

blocks|key|1760273|text|我有一个过时的符号链接，使我无法访问正确的bin。我最近还进行了一次节点升级，这意味着我的许多较新的回收站位于不同的文件夹中，我认为它们的优先级较低|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1760274|以下是对我有效的方法：|1760275|yarn+-v+
>+1.15.2

which+yarn
>+/Users/lfender/.yarn/bin/yarn+

rm+-rf+/Users/lfender/.yarn/bin/yarn
npm+uninstall+--global+yarn;+npm+install+--global+yarn

>+%2B+yarn@1.16.0
>+added+1+package+in+0.179s

which+yarn
>+/Users/lfender/.nvm/versions/node/v12.2.0/bin/yarn

yarn+-v
>+1.16.0|code-block|syntax|javascript|1760276|如果您使用的不是NVM，则bin安装的位置可能对您的系统是唯一的|1760277|从那时起，我已经切换到这里概述的yarn+policies+set-version来定义我在存储库级别的yarn版本|offset|length|style|CODE|1760278|entityMap^0|0|0|0|0|G|P|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|V|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|W|8|@$M|X|N|Y|O|P]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

I had an outdated symlink that was preventing me from accessing the proper bin. I had also recently gone through a node upgrade which means a lot of my newer bins were available in a different folder with what i think was a lower priority

Here is what worked for me:

<pre><code>yarn -v 
&gt; 1.15.2

which yarn
&gt; /Users/lfender/.yarn/bin/yarn 

rm -rf /Users/lfender/.yarn/bin/yarn
npm uninstall --global yarn; npm install --global yarn

&gt; + yarn@1.16.0
&gt; added 1 package in 0.179s

which yarn
&gt; /Users/lfender/.nvm/versions/node/v12.2.0/bin/yarn

yarn -v
&gt; 1.16.0
</code></pre>

If you are not using NVM, the location of your bin installs are likely to be unique to your system 

From there, I've switched to doing <code>yarn policies set-version</code> as outlined here <a href="https://stackoverflow.com/a/55278430/1426788">https://stackoverflow.com/a/55278430/1426788</a> to define my yarn version at the repo level

blocks|key|1498158|text|根据https://yarnpkg.com/getting-started/install#updating-to-the-latest-versions的说法|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1498159|yarn+set+version+<version>|code-block|syntax|javascript|1498160|例如，将yarn+v1.22.4升级到v1.22.10：|1498161|yarn+set+version+1.22.10|1498162|entityMap|0|LINK|mutability|MUTABLE|url|https://yarnpkg.com/getting-started/install#updating-to-the-latest-versions^0|2|23|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|C|$]]|$1|K|3|L|5|F|7|10|8|@]|9|@]|C|$G|H]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

According to <a href="https://yarnpkg.com/getting-started/install#updating-to-the-latest-versions" rel="noreferrer">https://yarnpkg.com/getting-started/install#updating-to-the-latest-versions</a>
<pre><code>yarn set version &lt;version&gt;
</code></pre>
For example to upgrade yarn v1.22.4 to v1.22.10:
<pre><code>yarn set version 1.22.10
</code></pre>

blocks|key|3870395|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3870396|添加纱线包目录：|ordered-list-item|3870397|3870398|curl+-sS+https://dl.yarnpkg.com/debian/pubkey.gpg+%7C+sudo+apt-key+add+-+echo+"deb+https://dl.yarnpkg.com/debian/+stable+main"+%7C+sudo+tee+/etc/apt/sources.list.d/yarn.list|offset|length|style|CODE|3870399|3870400|安装代码：|3870401|3870402|sudo+apt-get+update+&&+sudo+apt-get+install+yarn|3870403|请注意，如果已经安装了软件包，最后一个命令会将yarn升级到最新版本。|3870404|有关更多信息，请查看文档：yarn+installation|3870405|entityMap|0|LINK|mutability|MUTABLE|url|https://yarnpkg.com/lang/en/docs/install/#debian-stable^0|0|0|0|0|4P|0|0|0|0|0|1C|0|0|D|H|0|0^^$0|@$1|2|3|-4|4|5|6|12|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|13|7|@]|8|@]|9|$]]|$1|D|3|-4|4|5|6|14|7|@]|8|@]|9|$]]|$1|E|3|F|4|5|6|15|7|@$G|16|H|17|I|J]]|8|@]|9|$]]|$1|K|3|-4|4|5|6|18|7|@]|8|@]|9|$]]|$1|L|3|M|4|C|6|19|7|@]|8|@]|9|$]]|$1|N|3|-4|4|5|6|1A|7|@]|8|@]|9|$]]|$1|O|3|P|4|5|6|1B|7|@$G|1C|H|1D|I|J]]|8|@]|9|$]]|$1|Q|3|R|4|5|6|1E|7|@]|8|@]|9|$]]|$1|S|3|T|4|5|6|1F|7|@]|8|@$G|1G|H|1H|1|1I]]|9|$]]|$1|U|3|-4|4|5|6|1J|7|@]|8|@]|9|$]]]|V|$W|$4|X|Y|Z|9|$10|11]]]]

<ol>
<li>Add Yarn Package Directory: </li>
</ol>

<code>curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list</code>

<ol start="2">
<li>Install Yarn:</li>
</ol>

<code>sudo apt-get update &amp;&amp; sudo apt-get install yarn</code>

Please note that the last command will upgrade yarn to latest version if package already installed.

For more info you can check the docs: <a href="https://yarnpkg.com/lang/en/docs/install/#debian-stable" rel="nofollow noreferrer">yarn installation</a>

blocks|key|1760289|text|我通过从终端运行以下命令更新了我的Ubuntu上的yarn|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1760290|压缩curl+--+|1760291|+-o-+-L+https://yarnpkg.com/install.sh+%7C+bash|blockquote|offset|length|1760292|1760293|1760294|来源：https://yarnpkg.com/lang/en/docs/cli/self-update|style|CODE|1760295|entityMap|0|LINK|mutability|MUTABLE|url|https://yarnpkg.com/install.sh^0|0|0|8|U|0|0|0|0|3|1C|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@$G|Z|H|10|1|11]]|A|$]]|$1|I|3|-4|5|6|7|12|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|13|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|14|8|@$G|15|H|16|M|N]]|9|@]|A|$]]|$1|O|3|-4|5|6|7|17|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]]]

I updated yarn on my Ubuntu by running the following command from my terminal

<blockquote>
 curl --compressed -o- -L <a href="https://yarnpkg.com/install.sh" rel="noreferrer">https://yarnpkg.com/install.sh</a> | bash
</blockquote>

source:<code>https://yarnpkg.com/lang/en/docs/cli/self-update</code>

blocks|key|1502884|text|适用于所有操作系统|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1502885|yarn+set+version+latest
yarn+set+version+from+sources|code-block|syntax|javascript|1502886|我在没有第二行的情况下工作，但由于某种原因，它在文档中。|1502887|Reference|offset|length|1502888|entityMap|0|LINK|mutability|MUTABLE|url|https://yarnpkg.com/getting-started/usage^0|0|0|0|0|9|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|X|8|@]|9|@$K|Y|L|Z|1|10]]|A|$]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]]]

Works on all OS's
<pre><code>yarn set version latest
yarn set version from sources
</code></pre>
Worked without the second line for me, but it is in the documentation for some reason.
<a href="https://yarnpkg.com/getting-started/usage" rel="noreferrer">Reference</a>

blocks|key|3870660|text|如果你已经有了yarn+1.x，并且你想升级到yarn+2，你需要做一些稍微不同的事情：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3870661|yarn+set+version+berry|code-block|syntax|javascript|3870662|其中berry是yarn版本2的代号名称。有关详细信息，请参阅此迁移指南here。|3870663|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/yarnpkg/berry|1|https://yarnpkg.com/getting-started/install#per-project-install^0|C|3|0|0|2|5|2|5|0|10|4|1|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@$9|13|A|14|1|15]|$9|16|A|17|1|18]]|E|$]]|$1|M|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]|U|$5|P|Q|R|E|$S|V]]]]

If you already have yarn <code>1.x</code> and you want to upgrade to yarn 2. You need to do something a bit different:
<pre class="lang-sh prettyprint-override"><code>yarn set version berry
</code></pre>
Where <a href="https://github.com/yarnpkg/berry" rel="nofollow noreferrer"><code>berry</code></a> is the code name for yarn version 2. See this migration guide <a href="https://yarnpkg.com/getting-started/install#per-project-install" rel="nofollow noreferrer">here</a> for more info.

blocks|key|1498111|text|我在Jenkins+pipeline中尝试了上面所有的解决方案，它需要最新的纱线。最后，这对我来说是有效的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1498112|1498113|在git存储库|ordered-list-item|1498114|中运行yarn策略set-version这将生成.YARN/releases/yarn-X.js文件和.yarnrc文件。在Git存储库中推送这两个文件。|1498115|现在构建，所有yarn命令都将使用yarn-X.X.X版本。|1498116|1498117|备注：当您没有npm+install+-g+yarn的根用户访问权限时，这是很有帮助的。|offset|length|style|BOLD|1498118|entityMap^0|0|0|0|0|0|0|0|2|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|T|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|U|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|V|8|@]|9|@]|A|$]]|$1|H|3|I|5|E|7|W|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|X|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|Y|8|@$M|Z|N|10|O|P]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|R|$]]

I tried all of the above solutions in Jenkins pipeline which needs the latest yarn.
Finally, this worked for me.
<ol>
<li>Run yarn policies set-version in the git repo</li>
<li>This will generate .yarn/releases/yarn-X.X.X.js file and .yarnrc file. Push both of these files in the Git repo.</li>
<li>Now build and all the yarn commands will use the yarn-X.X.X version.</li>
</ol>
Note: This is helpful when you don't have root access to npm install -g yarn.

blocks|key|1498133|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1498134|纱线策略集-版本|blockquote|1498135|1498136|1498137|在powershell中使用上述命令将当前yarn版本升级到Latest.It将下载最新的yarn版本|1498138|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|-4|4|5|6|J|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|K|7|@]|8|@]|9|$]]|$1|D|3|-4|4|5|6|L|7|@]|8|@]|9|$]]|$1|E|3|-4|4|5|6|M|7|@]|8|@]|9|$]]|$1|F|3|G|4|5|6|N|7|@]|8|@]|9|$]]|$1|H|3|-4|4|5|6|O|7|@]|8|@]|9|$]]]|I|$]]

<blockquote>
yarn policies set-version
</blockquote>
Use the above command in powershell to upgrade your current yarn version to Latest.It will download the latest yarn release

blocks|key|3870688|text|如果您想要将yarn版本从1.22.5升级到1.22.10|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3870689|3870690|+yarn策略集-版本|blockquote|3870691|3870692|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|J|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|K|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|L|8|@]|9|@]|A|$]]|$1|G|3|-4|5|6|7|M|8|@]|9|@]|A|$]]]|H|$]]

If You want to upgrade your yarn version from 1.22.5 to 1.22.10
<blockquote>
yarn policies set-version
</blockquote>

blocks|key|5287954|text|npm+i+-g+yarn|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|5287955|这应该会更新你的纱线版本。使用yarn+-v或yarn+--version检查版本。|unstyled|offset|length|style|CODE|5287956|entityMap^0|0|F|7|N|E|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|N|8|@$G|O|H|P|I|J]|$G|Q|H|R|I|J]]|9|@]|A|$]]|$1|K|3|-4|5|F|7|S|8|@]|9|@]|A|$]]]|L|$]]

<pre><code>npm i -g yarn
</code></pre>
This should update your yarn version. Check version with <code>yarn -v</code> or <code>yarn --version</code>.

blocks|key|1760390|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1760391|纱线策略集-版本|blockquote|1760392|1760393|1760394|这将我的yarn版本从1.22.5升级到1.22.10|offset|length|style|BOLD|1760395|entityMap^0|0|0|0|0|B|6|K|7|0^^$0|@$1|2|3|-4|4|5|6|N|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|O|7|@]|8|@]|9|$]]|$1|D|3|-4|4|5|6|P|7|@]|8|@]|9|$]]|$1|E|3|-4|4|5|6|Q|7|@]|8|@]|9|$]]|$1|F|3|G|4|5|6|R|7|@$H|S|I|T|J|K]|$H|U|I|V|J|K]]|8|@]|9|$]]|$1|L|3|-4|4|5|6|W|7|@]|8|@]|9|$]]]|M|$]]

<blockquote>
yarn policies set-version
</blockquote>
this upgraded my yarn version from 1.22.5 to 1.22.10

blocks|key|1502870|text|这项工作为我改变纱线版本0.32+git到1.22.5|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1502871|https://www.codegrepper.com/code-examples/shell/yarn%2B0.32%2Bgit%2Bubuntu|1502872|entityMap|0|LINK|mutability|MUTABLE|url|https://www.codegrepper.com/code-examples/shell/yarn%2B0.32%2Bgit%2Bubuntu^0|C|4|L|6|0|0|1W|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@$9|Q|A|R|B|C]|$9|S|A|T|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|U|8|@]|D|@$9|V|A|W|1|X]]|E|$]]|$1|H|3|-4|5|6|7|Y|8|@]|D|@]|E|$]]]|I|$J|$5|K|L|M|E|$N|O]]]]

This work for me to change yarn version <code>0.32</code> git to <code>1.22.5</code>
<a href="https://www.codegrepper.com/code-examples/shell/yarn+0.32+git+ubuntu" rel="nofollow noreferrer">https://www.codegrepper.com/code-examples/shell/yarn+0.32+git+ubuntu</a>

blocks|key|5287757|text|因为您已经安装了yarn，并且只想升级/更新。您可以简单地使用|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5287758|yarn+self-update|offset|length|style|CODE|5287759|在此处查找参考https://yarnpkg.com/en/docs/cli/self-update|5287760|entityMap|0|LINK|mutability|MUTABLE|url|https://yarnpkg.com/en/docs/cli/self-update^0|0|0|G|0|7|17|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@$D|T|E|U|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|V|8|@]|9|@$D|W|E|X|1|Y]]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]]]

Since you already have yarn installed and only want to upgrade/update. you can simply use 
<code>yarn self-update</code>

Find ref here <a href="https://yarnpkg.com/en/docs/cli/self-update" rel="nofollow noreferrer">https://yarnpkg.com/en/docs/cli/self-update</a>

How should <code>yarn</code> be upgraded to the latest version?

Yarn: How to upgrade yarn version using terminal?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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问Yarn:如何使用终端升级yarn版本？
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