As the title says, I'm trying to dual boot the two OSes, no luck. Upgrading my Win7 partition to 10 resulted in so many crashes and WTFery that I am amazed the recovery to going back to win7 works. Literally, it crashed on the login screen and ate my primary account/profile but kept my wife's, and also crashed just trying to load the desktop. So I undid that upgrade out of necessity. I'm using my free install to do a separate install of Win10. I'm using it on a flash drive. Win10 freaks out because the SSD isn't for GPT, which, if I am understanding correctly, means it's a UEFI thing. My SSD is formatted for MBR, so that means it's done the old way, and Windows 10 won't install because of that. So I made a Win7 backup image, wiped the SSD clean, tried again and Win10 doesn't see the drive. Bit of a headscratcher there for me. I redo the drive for GPT, even format it, and it still doesn't see it. Commence arm flailing and a colorful array of words. I've done the settings for UEFI on my board, I've done the Legacy+UEFI, I've done just about every combination I can think of to make this happen and it isn't. Is all this headache coming from me not installing Win10 from the DVD drive on a burned ISO? Because that is the only thing I have not tried yet and I'm not about to waste money on a stack of burnable DVD's just to find out that doesn't work either. FYI yes I have a key. It lets me use my Win7 key for the clean install.