VNC on the Mac to access and control Windows computers

wanting to use VNC on the Mac to access and control Windows computers, you don't need additional software.  VNC Viewer is already built in to OS X 10.5.  To do it just connect to a server:

Go > Connect to server... (or press CMD+K)
In the server address instead of typing smb:// or afp:// type vnc:// and the IP or computer name.

This will use screen sharing and allow you to control the computer the same way VNC always has.