Microsoft Store adds custom install location functionality, but only for Windows 11 users.
Microsoft Store Finally Lets You Pick Game Install Location : Read more
Microsoft Store Finally Lets You Pick Game Install Location : Read more
I'll never understand why anybody would choose to buy a game from the MS Store. Unless you're into crappy games like Candy Crush or Solitaire. The way they package apps up and remove user control is beyond me.
I only use it for Minecraft RTXI never used the windows store, and will never use it.