Add me on skype so we can chat easier :) Yes you will lose all pc data The link you sent is only re-install from windows 8 back to windows 8, you have to install windows 7, Download windows 7 and follow tutorial on youtube how to make bootable windows 7 disc, when done insert it into pc, restart it, and I think you know how to boot installation and stuff.. if not add me on skype so we can chat easier as I said :D And yeah as SyndicateFaction said try disabling antivirus and disabling firewall it may help it could be also your internet connection.. are you wired or having a wirless ?? Try restarting your modem. :thumbsup: :beans: :beans: Try using this when re-installing