Don't search for a random "Easy Anti-Cheat download" link. Let your game install it. If something breaks, run the EasyAntiCheat_Setup.exe inside your game folder as an admin.
If EAC was working and suddenly stopped after a Windows 11 update, use the manual repair tool. Easy Anti-cheat Download Windows 11
: Navigate to where your game is installed (usually Program Files (x86)\Steam\steamapps\common\[Game Name] ). Don't search for a random "Easy Anti-Cheat download" link