The of FIFA 21 was the highest-tier release, offering several bonuses over the Standard version:
The file is one of several compressed archive parts used to distribute the PC version of FIFA 21. These multi-part RAR files are common for large games, which often exceed 35–50 GB. Understanding Multi-Part Archives
Up to 24 Rare Gold Packs (distributed weekly), special edition FUT kits, and stadium items.
At minimum, the game requires 8 GB of RAM and a 64-bit operating system.
The full extracted game requires approximately 50 GB of free disk space.
FIFA 21 Ultimate Edition Downloads | PDF | Games & Activities