Whenever I have to use Windows, I just create a new throwaway account on proton, connect it to the mother throwaway account connected to a yahoo email account created in the before times, install what I need, and then never access that account again.
Besides the obvious answer in the siblings, the more general answer (because there will always be something that won't transfer effortlessly) is that you don't have to play Starcraft 2. If the only way to engage in a leisure activity is by allowing yourself to be raped then maybe you should just not do it.
But Microsoft is pretty easy to avoid after their decade of floundering.