(Note: I cannot help obtain or debug pirated software. If you want detailed, legal troubleshooting for a legitimately purchased FIFA 21 installation with Origin/EA Desktop issues, tell me and I’ll provide step-by-step instructions.)
To prevent installation corruption with future gaming repacks, configure your system parameters before installing the files: fifa 21 origin is not installed repack crack
If you have tried all the steps above and still see "FIFA 21 Origin is not installed," your repack is obsolete. The scene has moved on. The only guaranteed working version of FIFA 21 on PC in 2025 is the legal one. (Note: I cannot help obtain or debug pirated software