Click the "Start" button in the bottom left corner of the computer screen and then select "My Computer.". Right-click on the DVD drive. It will typically have "DVD" in the name. If you're unsure which drive is the DVD drive, simply insert a DVD, and you'll see the name of the DVD appear on the drive.How do you watch a DVD on a PC?
Insert the DVD. To play a DVD on your computer you must first have a DVD drive and compatible DVD decoder installed onto your system. Insert the DVD you would like to watch into the DVD drive. Start the Media Player program. Click on the "Start" button at the bottom of your desktop.