Try this if your other downloads are ok
Fix Microsoft Store Download Speed Too Slow in Windows 10
Are you constantly experiencing slow downloads in the Microsoft Store on Windows 10? That’s probably the last thing you want to deal with when you’re downloading a large app or heavy video game that’s dozens of gigabytes in size.
If your internet is blazing fast elsewhere on your PC, there are several solutions you can use to fix slow Microsoft Store downloads. They can also help resolve general Microsoft Store-related connection issues.
Before you start troubleshooting Microsoft Store issues, here are some quick fixes you can try.
