Switch Node.js versions with nvm

Install several Node.js versions side by side and switch between them per project.

Fill these in once

Node.js version

Install nvm
Terminal
```
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
```
Remove any Node.js you installed with Homebrew first (brew uninstall node), so the two don't clash.
Load nvm into this terminal
Terminal
```
source ~/.zshrc
```
Install a version and switch to it
Terminal
```
nvm install 22 && nvm use 22
```
Make it the default for new terminals
Terminal
```
nvm alias default 22
```

Check it worked

See the versions you have and which one is active
Terminal
```
nvm ls && node --version
```

Undo it

Remove a version
Terminal
```
nvm deactivate && nvm uninstall 22
```

Install nvm

Terminal · Ubuntu / Debian

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash

Load nvm into this terminal
Terminal · Ubuntu / Debian
```
source ~/.bashrc
```
Install a version and switch to it
Terminal · Ubuntu / Debian
```
nvm install 22 && nvm use 22
```
Make it the default for new terminals
Terminal · Ubuntu / Debian
```
nvm alias default 22
```

Check it worked

See the versions you have and which one is active
Terminal · Ubuntu / Debian
```
nvm ls && node --version
```

Undo it

Remove a version
Terminal · Ubuntu / Debian
```
nvm deactivate && nvm uninstall 22
```

Install nvm for Windows
PowerShell
```
winget install CoreyButler.NVMforWindows
```
Uninstall any other Node.js first, then close and reopen PowerShell.
Install a version
PowerShell
```
nvm install 22
```
Switch to itRun as administrator
PowerShell
```
nvm use 22
```

Check it worked

See the versions you have and which one is active
PowerShell
```
nvm list; node --version
```

Undo it

Remove a version
PowerShell
```
nvm uninstall 22
```