Installation on patch 1.33 ? and in general

[gowron]

Hi
prehaps i dident locate it so correct me if i am wrong but is there a step by step installation guide on how to install and play the coop campaigns on the latest Reforged patch
And furthermore just any installation guide at all going over it step by step ?
Do i have to download another version of the game or what ?
As some1 who never played custom campaigns ever on either the original or reforged and havent touched the game in years i would really appriciate some help /
Any links / guides on how to
And has anyone tried beating this campaign solo ?
Thx