You cannot simply burn a standard ISO to a USB drive. Modern UEFI systems (Intel 6th-gen Skylake or newer) lack support for two critical things:
Downloading a Windows 7 UEFI ISO file can be a bit challenging, but with the right tools and guidance, you can create a UEFI-bootable installation media and install Windows 7 on your modern computer. Remember to always be cautious when downloading from third-party websites, and make sure to create a backup of your important files before installing a new operating system. Download Windows 7 Uefi Iso
However, Windows 7 does not natively support UEFI booting. To install Windows 7 on a UEFI-based computer, you need to create a UEFI-bootable installation media, which requires a special ISO file. You cannot simply burn a standard ISO to a USB drive
A standard Windows 7 ISO, as originally distributed on DVDs, lacks the necessary boot files to install on a UEFI system without legacy compatibility mode (CSM) enabled. When users attempt to install a vanilla Windows 7 ISO on a modern laptop with UEFI firmware, they are often met with a cryptic error: "Windows cannot be installed to this disk. The selected disk is of the GPT partition style." Therefore, the search for a "Windows 7 UEFI ISO" is a search for a modified or properly structured image that contains the bootmgr.efi file and the correct boot directory structure, allowing the installer to recognize and write to a GPT disk. However, Windows 7 does not natively support UEFI booting