please direct me to a good step by step install of win7 on a Win 8.1 preinstall ...
partition are ready 500G each but the problem is my misundertanding of MBR and UEFi ,GPT partition.
i do not want an expanation of the terms, but a way to boot and install WIN7 and Win8.1 as dual boot.
thank you. im not computer dumb.
Mitch
