Is it possible to run what you need in a VM? That’s how I’ve been running things that need Windows to function correctly and it hasn’t broken yet. Can even get 11 working with an emulated TPM, including Windows Subsystem for Linux inside the VM if you’re feeling particularly bored.
Cosmic - both the GNOME extension and Epoch 1 - is my favorite tiling DE. It just makes the most sense to me, in a way that no other tiling environment has.