When asked "Which type of installation?", select Custom: Install Windows only (advanced) . Choose the unallocated space you created in Step 3. Finish the installation. Critical Considerations in 2026
Disclaimer: Using third-party modified operating systems can pose security risks. Always scan downloaded ISOs for malware and use only for legal purposes. Share public link windows 7 sp1 dualboot 31in1 oem esd ptbr jan
Dual-booting on modern "GPT" disks can be tricky. If your primary OS is Windows 11, it requires GPT/UEFI. If your Windows 7 ISO isn't configured for UEFI booting, it may refuse to install on that disk. In such cases, running Windows 7 in a is often a much safer and faster alternative to a physical dual-boot. When asked "Which type of installation
: Features a unified boot menu that allows users to choose between installing 32-bit or 64-bit versions from the same media. Integrated Updates If your primary OS is Windows 11, it requires GPT/UEFI