Please let me know if you want me to add anything else to the post.
The steam-api64.dll file is a Dynamic Link Library (DLL) file associated with Steam, a popular digital distribution platform for PC gaming. This file is required for Steam to function properly, and some games, including Call of Duty: Black Ops 3, rely on it to run. Download Steam-api64.dll Call Of Duty Black Ops 3
That being said, here's a draft post: