Question

Where do you want to install?

It looks like you don't have any applicable device(s) linked to
your Microsoft account. To install, sign in on a device with
your Microsoft assount,
Get more info
How do I do this

Answer 1

This really depends on the thing you are trying to install, and the device you are trying to install it on.

try to find the app info and see what devices it is compatible with. make sure you are using a compatible device, and make sure you are signed in.