PowerShell 5.1 comes pre-packaged with a nifty cmdlet to generate new Globally Unique Identifier (GUIDs) for you.
ℹ️ Note
PowerShell 5.1 comes pre-packaged in Windows 11.
You can generate a new GUID in PowerShell using
[guid]::NewGuid()
Alternatively, you can also generate a new GUID in Registry format using
'{'+[guid]::NewGuid().ToString()+'}'