```
setx path "%path%;C:\Users\MyUser\Downloads\gnutls-3.4.9-w64\bin"
```

**Note:** PowerShell may need to be restarted for this change to take effect.

#### 3.3.2 Generate a private key

Run the following command to generate a private `.key` file:

```
certtool.exe --generate-privkey --outfile private.key
```

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