before clicking any buttons to let the game background-verify what it can. Proper Installation Guide (Clean Setup)

Before we fix it, understand the enemy. FIFA 16 is nearly a decade old. The official EA servers have been deprecated or are unstable. Consequently, most users download from community servers (Torrents, Mega, Google Drive, or private FTPs). The "Fix Server" error usually indicates:

You downloaded 100% of the file, but WinRAR or 7-Zip screams: "Unexpected end of archive" or "File is broken." Do not panic. The file is likely recoverable.

Many ZIP archives include a SocialClub.dll or a steam_api.dll that attempts to verify the game online.