Uninteresting inquiry regarding Windows
Uninteresting inquiry regarding Windows
Retail offers a product, while OEM is tied to a specific motherboard. OEM is meant for a single board only, though some claim it can be reused. Retail items are designed to be reusable.
Check the site for Windows 8.1 64-bit version. Make sure it works smoothly for gaming without any issues.
I wouldn't suggest purchasing windows from that platform. It's better to buy directly from the windows site or visit newegg.com. The decision is yours.