Originally posted by Duke of Zork:

Needs to be able to create Folders in Games Library.

It can take a lot of scrolling to find the game you're looking for in your games library. It would be nice if you could create folders, and put all the Star Trek Games in one folder, all Command and Conquer into another, and so on.

Do you mean Collections?

Right click a game in the list on the left.

Hover over "Add To."

Select "+ New Collection."

Name the Collection.

Add more to that Collection or make new ones for other games.

As above says I even created a collection for the Developer names I know
There is also a search at the top of the Library we can place the name of a game into click the magnifying glass, there is the filter option to the right of search those little bars
https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3576890617