Summarize the following:
By inserting the DVD into your computer, you should be able to open it in VLC without any fuss; however, if this doesn't work, you can force VLC to open the DVD by following the rest of the steps in this method. Make sure that VLC media player isn't open, then do the following:  Insert the DVD into your computer's DVD drive. Click the Select to choose what happens with DVD movies. notification in the bottom-right corner of the screen. Click Play DVD Movie in the pop-up menu that appears in the upper-right corner of the screen. As long as VLC remains installed, this option will be selected by default when inserting a DVD in the future. Click the Windows logo in the bottom-left corner of the screen. If your computer doesn't present you with a notification when inserting the DVD into the DVD drive, you can select the DVD from with This PC and force it to open in VLC from there. Click the folder-shaped icon in the lower-left side of the Start window. The File Explorer window will pop up. You'll find this option in the left-hand sidebar of the File Explorer window. Doing so opens the This PC app. You may have to scroll up or down in the left-hand sidebar in order to find This PC. In the "Devices and drives" section near the bottom of the window, you should see a disc-shaped icon with the DVD's name above it. Right-clicking this icon prompts a drop-down menu.  If your mouse doesn't have a right-click button, click the right side of the mouse, or use two fingers to click the mouse. If your computer uses a trackpad instead of a mouse, use two fingers to tap the trackpad or press the bottom-right side of the trackpad. This option is in the drop-down menu. Doing so will force the DVD to open in VLC media player, where it will begin playing after a few seconds. Most DVDs will require you to click Play on the DVD title screen before the movie will begin.

Summary:
Attempt to play the DVD automatically. Open Start . Open File Explorer . Click This PC. Right-click your DVD's name. Click Play with VLC media player.