"Add engine versions" is greyed out

I’m trying to install any version of Unreal that’s newer than 4.21. I have a grey plus up top that says "install a new version of th

e Unreal Engine" if I hover over it, but I can’t click on it or get it to do anything. Any advice?

It’s because you’ve already clicked it. The 4.21.0 Preview is not installed. You can change what version it is by clicking on the arrow next to the version number

-Testy.

Unreal that’s newer than 4.21

4.21 is not out yet… so:

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1537691-unreal-engine-4-21-preview

Same problem here. Any solution so far?

Problem fixed here : Install Button Unreal Engine is greyed out - YouTube