M$ link
Win7_HomePrem_SP1_English_x64
Link is valid until 8/9/2021 6:52:11 PM UTC (24hours)
To make it universal (all Win 7 versions) you have to delete \sources\ei.cfg (see last paragraph)
Make a USB Win 7 64 UEFI boot able drive.
To make a Win 7 USB boot able drive:
Open a CMD window as administrator and type:
diskpart
list disk (it will list all drives. Identify the USB drive number)
select disk n (replace n by the USB drive number obtained with list disk)
clean
convert mbr
create part primary
select part 1
format fs=fat32 quick
assign
active
exit (to exit diskpart)
On Win 7 use
7Zip to extract all files and folders from the Win 7 iso file to the USB drive.
On Win 10, mount the iso file and copy all files and folders to the USB drive.
To make it UEFI boot able you must add the
\efi\boot folder
To make it universal (all Win 7 versions), go to \sources on the USB drive and delete \sources\ei.cfg