Fortnite: How to Fix Xbox and Cloud Gaming Login Issues

Here's what Epic Games officially has to say about the Xbox and Cloud Gaming login issues in Fortnite as well as how you can fix it yourself. 

Fortnite Returns to Mobile Again Through Xbox Cloud Gaming

How To Fix Xbox Cloud Gaming Not Loading

I've successfully installed and used XBox cloud gaming and it works great with Fortnite, but it routinely just sits at this screen forever and I just have to come back later to

Xbox Cloud Gaming » Everything You Need to Know [2023]

Use Xbox touch controls with cloud gaming or remote play

Family Account - Linking Epic Accounts/Fortnite to Xbox accounts - Microsoft Community

Cloud gaming: which streaming game service to choose in 2023

Geforce Now game streaming is like magic – and it puts Xbox's cloud effort to shame

Game Pass Everywhere: How to Install Xbox Cloud Gaming on Steam Deck