8. Retrieve that file If you've forgotten to transfer a file from your desktop, close the windows that control your other PC, then look under 'Control remote computer' in the TeamViewer display.

Join.me and TeamViewer work similarly, except you'll remotely access your dad's computer via a Web interface with join.me, while you'll use a separate piece of software with TeamViewer.

Make a note of the name of the computer. Then, on another Windows computer, open the Remote Desktop app and type the name or IP address of the computer you want to connect to.