Hi @Leon Deeken ,
Welcome to Microsoft Q&A!
You can use the Visual Studio ID to join the developer program from within the Visual Studio Gallery to get the full benefits as a Visual Studio subscriber. You can also link your Visual Studio subscription to your Microsoft 365 developer sandbox during the setup process.
Related documentations:
Join the Microsoft 365 Developer Program as a Visual Studio subscriber
Set up a Microsoft 365 developer sandbox subscription
Sincerely,
Anna
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