You don’t have an AppleID (and you are not willing to create one for such a trivial and once-in-a-lifetime need as downloading remote access software).For example, you can’t easily do that if: The need of downloading the MS RDP app outside the App Store is something that I personally had to achieve at leat two or three times, due to the fact that using the “proper” channel – the App Store – might be very tricky under various circumstances. If you’re in a hurry, here’s the official (and 100% legitimate) Microsoft Remote Desktop macOS app direct download link, taken from the same official Microsoft page which we will discuss later: for more information about this (official) link we still recommend to keep reading.