I have being using windows vista 64 bit, since the day it came available, and programs in 32bits running in a 64bits perform just as is they used to perform in a 32bits operating system. As for Netgear they offer 64bit driver, but as most companies, only for their newest or more expensive hardware. I had a Netgear N Range Max blah blah blah wireless and they provided the driver (online) because the CD didn't work for my Vista Ultimate 64 bits. Now I am using a Dlink N PCI Express card, and is working alright with Windows 7 Ultimate 64bits build 7100, incredible stable. I transferred a file of 1.3GB to my friend over the messenger (yes over the Microsoft messenger) without a drop. I wasn't expecting that, but wanted to try, and it worked!!! The Netgear used to drop me once in a while. That product (Dlink DWA-556 Xtreme N) I guess doesn't have the logo since is old hardware but after that I can print the logo and attach it myself LOL. I can't say the same to Netgear that shouldn't even bother to put a Windows XP logo on it.