Downloading games through unauthorized third-party sites and fragmented RAR files like "part11.rar" carries significant security risks, including malware, broken installations, and potential legal issues.
If you choose the official route, the process is straightforward: Purchase and add the game to your library on Steam.
If you are planning to run the game, ensure your PC meets these official specifications:
Repackaged versions do not receive official patches or security updates. System Requirements
Unofficial sites often bundle installers with adware, miners, or spyware that can compromise your personal data.
A DirectX 11 compatible card (e.g., NVIDIA GeForce GTX 560 or better). Installation Help
You need at least 20 GB of available space for the Definitive Edition.