Windows 7 OEM vs Retail Systems. OEM During online activation, it locks the product KeyOS to one computer I think the part it locks to is your motherboard, that could be wrong though, so that you cant install it on any other computer. As far as I know, re installation is fine, unless youre replacing your motherboard AND hard drive. If you need to install to a new HD and mobo, well, you still might be able to do it, but expect to go through hell and back to get it working with the help of mircosoft costumer support. Backup Oem Activation Vista' title='Backup Oem Activation Vista' />Retail A limited number of installations, however, you can install to multiple PCs but only one at one time. Ez Grabber Windows 7 64 Bit Driver. So say, if your uber. Gamer. Rig. 30. 00 is hit by a meteorite, and you build a new one, you can install your copy of retail windows on it. Smart Pc Fixer Crack Free Download. Boot multiple Windows Install ISOs from a USB drive. I cannot however, install it on both uber. Gamer. Rig. 30. 00 and grannies. Subpar. PC at the same time. AFAIK, there is no other difference besides the type of license you get. OEM is somewhere between a bitch to reinstall, and impossible. Baixar Emulador Ps2 Para Pc Fraco there. Retail can be reinstalled, even on a new PC. Also, its technically illegal to put an OEM version of windows on a PC youre not building yourself. Although who the hell is going to do anything about it if you install it on your dellWhat is Windows Product Activation or Windows Activation Microsoft to curb piracy introduced Windows product activation system since Windows XP. Activatio. Ed Bott is an awardwinning technology writer with more than two decades experience writing for mainstream media outlets and online publications.