Free 30-day trial, of Radmin Server + Viewer.
Radmin (Remote Administrator) is a fast, secure remote control and remote access software which enables you to work on a remote computer in realtime. You can also remotely access the same computer from multiple sites.
Radmin includes full support of Windows Vista (32-bit and 64-bit), file transfer, multi-user text and voice chats, Windows security, Kerberos authentication, 256-bit AES encryption for all data streams, telnet access, multiple monitors support and unique DirectScreenTransfer technology.
Radmin uses the TCP/IP protocol, which means you can access your remote computer from anywhere in the world.
Windows Vista/XP/2003/2000 (32-bit and 64-bit editions)