Windows 7 VM installation using VirtualBox. That's pretty much it.
Donwload VirtualBox:
https://www.virtualbox.org/wiki/Downloads
Windows 7 ISO file download:
https://download.microsoft.com/download/5/1/9/5195A765-3A41-4A72-87D8-200D897CBE21/7601.24214.180801-1700.win7sp1_ldr_escrow_CLIENT_ULTIMATE_x64FRE_en-us.iso
