32bit and 64bit.

DameWare Mini Remote Control (MRC) is one of the best values in remote control software available today. MRC is licensed by the number of help desk technicians your organization has and not by agent or end-point. It has been used for more than 10 years by thousands of IT admins to seamlessly connect to remote servers, desktops, and notebooks.

http://www.dameware.com/dameware-mini-remote-control