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Update README.md #2817

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38 changes: 30 additions & 8 deletions README.md
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Expand Up @@ -88,24 +88,46 @@ nvm is a version manager for [node.js](https://nodejs.org/en/), designed to be i
<a id="install-script"></a>
## Installing and Updating

### Install & Update Script
### Install NVM on macOS
Change the ownership of these directories to your user
```sh
sudo chown -R $(whoami) /usr/local/share/zsh /usr/local/share/zsh/site-functions
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most nvm users don't use zsh.

```

To **install** or **update** nvm, you should run the [install script][2]. To do that, you may either download and run the script manually, or use the following cURL or Wget command:
Make sure that user has write permission
```sh
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
chmod u+w /usr/local/share/zsh /usr/local/share/zsh/site-functions
```

Use Humebrew to install NVM
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nobody should EVER use homebrew to install nvm; homebrew-installed nvm is 100% unsupported and discouraged.

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for me using macbook pro m1 it's the only way nvm work :(

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That shouldn’t be the case; node itself only supports m1 outside of Rosetta on v16+, but nvm itself should work fine.

```sh
wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
brew install nvm
```

Running either of the above commands downloads a script and runs it. The script clones the nvm repository to `~/.nvm`, and attempts to add the source lines from the snippet below to the correct profile file (`~/.bash_profile`, `~/.zshrc`, `~/.profile`, or `~/.bashrc`).
Create a director for NVM in home
```sh
mkdir ~/.nvm
```

<a id="profile_snippet"></a>
Configure Required Environment Variable
```sh
export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
vim ~/.bash_profile
```

Add the following lines to ~/.bash_profile
```sh
export NVM_DIR=~/.nvm
source $(brew --prefix nvm)/nvm.sh
```
Press ESC +:wq to save and close the file.

Load the variable to the current shell environment
```sh
source ~/.bash_profile
```

Running either of the above commands downloads a script and runs it. The script clones the nvm repository to `~/.nvm`, and attempts to add the source lines from the snippet below to the correct profile file (`~/.bash_profile`, `~/.zshrc`, `~/.profile`, or `~/.bashrc`).

#### Additional Notes

- If the environment variable `$XDG_CONFIG_HOME` is present, it will place the `nvm` files there.</sub>
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