How to Watch a Movie on the Computer. With the introduction of DVDs, it became possible to watch movies on the computer cheaply. Most computers have a processor and video card that is sufficient to ensure an enjoyable playback, and it is handy while traveling to be able to watch movies anywhere. Some users also run a dual display so they can work on a file and watch a movie at the same time.
Open the DVD tray and place the DVD movie disc in the tray. Close the tray.
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Click on the Windows Media Player icon on the desktop or the taskbar.
Perform a right mouse click on the Windows Media panel. Select "Play," then "DVD, VCD or CD Audio," and click the drive letter that is highlighted. The selection will now start to play automatically.
Choose the desired menu option after the previews or any other introduction has finished. Watch the movie.
Close the Windows Media Player and eject the DVD disc when movie is over.