what a useless response!
i have used zsnes in the past and had no issues at all with any game i have emulated, its very easy to set up and pretty simple to work out. You just browse for your ROMs and load them in, and away you go. You need to configure things like controllers but that is the same with every emulator
http://www.emulator-zone.com/doc.php/snes/zsnes.html
i have used an N64 one in the past but for the life of my cant remember the name of it, however, i found that emulation support was a bit didgy on some games(ha, i was thinking Diddy Kong Racing when i put the word 'didgy'...made me laugh).
Project 64, just did a quick google and this is the N64 emu i used to use.
http://www.emulator-zone.com/doc.php/n64/project64.html
grab those 2 and you are good to go
if you are also interested though, there is a cracking Wii emulator called Dolphin, it was a pain in the ass to set up, but once done was superb
http://www.dolphin-emulator.com/
let us know how you got on, you may need a decent PC for the N64 and Wii emulators, mine isnt great but has a dedicated 660ti and 8gig of RAM and they all run smooth