Insert the bootable USB drive into the target PC. Restart the computer and tap the boot menu key (usually F12, F11, F8, or Esc depending on the motherboard). Select your USB drive.
Select Custom (advanced) to perform a clean installation.
Often hosts original, untouched ISO files (search for "Windows 7 SP1 AIO ISO"). Insert the bootable USB drive into the target PC
The definitive edition containing every consumer and enterprise feature, including BitLocker drive encryption and multilingual user interface support. How to Obtain High-Quality Windows 7 ISO Files Safely
Windows 7 ISO File Download 32/64-bit All-In-One: Complete Guide Select Custom (advanced) to perform a clean installation
Click the button next to "Boot selection" and browse to your downloaded Windows 7 AIO ISO file. Choose your Partition scheme :
Because Microsoft has officially discontinued direct downloads for Windows 7, users often rely on alternative sources for high-quality ISO files. 1. Internet Archive (Archive.org) How to Obtain High-Quality Windows 7 ISO Files
The Internet Archive (archive.org) hosts thousands of original, untouched MSDN and retail Windows 7 ISO images uploaded by digital archivists.
Disclaimer: This paper is for educational and archival purposes. Users should adhere to Microsoft’s Terms of Service regarding licensing and product activation.
Enter your genuine Windows 7 product key. If you do not have one, you can skip this step to enter it later, giving you a 30-day trial period. Post-Installation Security and Maintenance