Rufus will automatically add the necessary .efi files to make the USB drive bootable in UEFI mode. Installing Windows 7 on a UEFI System Installing a new OS will wipe the drive.
Congratulations, you have booted and installed from your Windows 7 UEFI ISO. But you aren't done.
Downloading a Windows 7 UEFI ISO has become more complex since Microsoft officially ended support. While the original installation media lacks built-in support for modern UEFI Class 3 (UEFI-only) hardware, you can still obtain and configure an ISO to work on these systems. 1. Where to Download Windows 7 ISO Files Download Windows 7 Uefi Iso
Because official Microsoft download pages for Windows 7 are largely decommissioned, you must source the file from reputable community archives: Internet Archive (Archive.org) : Hosts various OEM and retail builds of Windows 7. Actionability
: If you are using a Dell machine that originally came with Windows 7, you can often download a recovery ISO specifically for your device by entering your Service Tag. Making the ISO UEFI-Compatible Rufus will automatically add the necessary
\efi\boot\bootx64.efi # UEFI bootloader \efi\microsoft\boot\bootmgfw.efi # Windows boot manager \sources\boot.wim # Must contain UEFI-compatible drivers \sources\install.wim # Index 1: Windows 7 Ultimate (UEFI-prepped) \autounattend.xml # Optional answer file for unattended GPT setup
Navigate to \sources\install.wim on the ISO and open it with 7-Zip . Go to \1\Windows\Boot\EFI\bootmgfw.efi . But you aren't done
If your motherboard supports it, enable the Compatibility Support Module (CSM), but keep the boot filter set to "UEFI Only". Pure UEFI bootstrapping without CSM requires advanced graphics driver emulation ( UefiSeven ).
Windows 7 Ultimate or Professional 64-bit (SP1). 2. Modifying the ISO for UEFI Support (Optional)