Generic keys (aka: “default keys”) for Windows 11 from Microsoft will allow you to install or upgrade to a specific Windows 11 edition you want, but will not activate it.
Using a generic key can be helpful if you wanted to install or upgrade to a specific Windows 11 edition for evaluation or testing on a PC or virtual machine, or just don’t have a digital license or your genuine product key currently available and you will activate later when able.
This tutorial will provide you with a list of RTM (retail) and KMS generic keys (default keys) for all editions of Windows 11.