This isn't really a give away so that's why it's under this section of the forum.
The site is:
http://coolrom.com/
With this site, you can download any emulator from Nintendo to play Play Station to Sega, all playable with the key board, if you're like me and sincerely enjoy the retro gaming this is the site for you. Simply download the emulator you would like under the Emulators drop menu at the top of the page, and download the games ALL FREE from the ROM Files drop menu, very easy to use, 100% free !
This is all pretty straight forward and extremely easy, if you need any help downloading, extracting, or running the games on the actual emulator, post here and I will answer here, that way if someone is having the same issues they can read the comments, if you don't want to post simply send me a PM and I will get back to you as soon as possible.
Willing to offer Team Viewer help for those who are really struggling with this.
Please Do Enjoy playing all the Nintendo, Sega, etc games you love and just can't or don't want to pay for, I will post links below for the specific emulators to save you all some time !
Emulators I have downloaded, ran, and used constantly on Windows 8
http://coolrom.com/emulators/nes/49/VirtuaNES.php -> Regular Nintendo
http://coolrom.com/emulators/snes/35/SNEeSe.php -> Super Nintendo
http://coolrom.com/emulators/genesis/72/Gens32.php -> Sega Genesis
Those are just the ones I have downloaded, and used with no issues, I am more than confident that the rest work. Simply press download now !
