|CrossLoop is free and easy to use here http://www.crossloop.com/ipage.htm?... Download and install it on both machines. When you run the program you can bypass the registration by clicking Skip. The two options are:|
1. Access, which allows you to control the other computer. The other user needs to tell you the Access Code to connect.
2. Share, where you give the other user your Access Code so that your computer can be accessed.