Windows 11 in its current form is a piece of trash, with a lot of software pre-installed and taking up a lot of ram.
And if you have been thinking about privacy on the new Windows 11, just throw it in the bin. Microsoft has said that soon Windows 11 will require a webcam to be installed on your computer which includes a modern-enough processor and TPM (Trusted Platform Module) to be installed.
This is the desktop of a Windows 11 Virtual Machine:

The white that you see is Windows 11 loading. This would be super fast on windows 10, but Microsoft has said so and when Microsoft says, it happens.
Windows 11 is a heavier, bloated and worse version of Windows 10. Not a “lightly skinned” version of Windows 10.