I am currently building my first custom PC, and I purchased Windows 10 Home OEM from Amazon for an OS. I purchased the OEM version because the USB sticks of the retail version have not yet been released. I thought the only differences between the OEM and Retail versions is that OEM is tied to one motherboard and Microsoft does not provide user support for the OEM version. However I have since heard that using the OEM version for personal use is illegal. This seems ridiculous and the description on Amazon said nothing about this, and I can't seem to find anything about on the white envelope in which the OEM version comes in. I know the terms and conditions for the OEM version changes with every new version of Windows, so does anyone know what is up with the OEM version of Windows 10 Home in specific?