To solve the error "yarn: command not found", install the yarn package globally by running npm install -g yarn and restart your terminal. If the command fails, run it with sudo and make sure the correct PATH is set in your system's environment variable.
To solve the error "'yarn' is not recognized as an internal or external command, operable program or batch file", install the yarn package globally by running npm install -g yarn , restart your terminal and make sure your PATH environment variable is set up correctly.
On "System Properties" dialog, click on "Environment Variables..." button. Select "Path" and click on "Edit..." button. Click on "New" button to add a new path to search. Paste the yarn global binary path copied in Step 1 and click "OK" for all open dialog boxes to save the change.
If you are using Mintty (Bash) then you simply do npm install -g yarn
You probably just did not install yarn yet. Have a look at the yarn installation for Windows here:
https://yarnpkg.com/lang/en/docs/install/
The official Yarn setup does not tell you you need to restart your computer, but you actually have to before you can use it from your shell. So, install it from
https://yarnpkg.com/lang/en/docs/install/#windows-stable
then restart your PC and you should be able to run yarn
from your console.
Open a new terminal
Click "Terminal" → "New Terminal"
or
Simply use ctrl+shift+` (backtick)
Once the Terminal is active, install Yarn by running npm install -g yarn
.
Verify the installation was successful by running yarn --version
.
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