On Windows 10 or 11, you can usually right-click the file and select "Mount" to treat it like a virtual disc.
Once mounted, run the setup.exe file found inside the virtual drive to begin the installation process.
If you downloaded this file from the internet, scan it with antivirus software (like Windows Defender) before mounting it. ISO files are common vectors for malware if they come from untrusted sources.
Ensure you have at least 50GB to 60GB of free space, as the game is quite large once unpacked. Important Considerations