The VideoLAN project releases regular updates to the VLC Media Player. These updates add new functionality and fix bugs. However, they can also contain important security patches that protect your PC or Mac from attacks.
VLC automatically notifies you of new updates, but does not automatically install them. To manually check if the latest version of VLC is available on any platform: Windows, Mac, Linux, Android, iPhone, and iPad do not have to. You can download the latest version of VLC from the VideoLAN website. Make sure you only download it from the official website at videolan.org.
How to Update VLC on a Windows PC
On a Windows PC, click Help> Check for Updates to see if an update is available. [1
If an update is available, VLC offers to download and install it for you. Click "Yes" and VLC will download the latest update for you.
VLC offers to launch the installer after downloading. Click "Install" to close VLC and begin the installation.
Click the installer to install the new version of VLC. You can simply select "Upgrade VLC with previous settings (recommended)" to keep your current VLC options.
Then, make sure that "Run VLC Media Player" is checked "Selected and clicked Finish.
VLC is now up to date. If you click Help> Check for updates again, the latest version of the media player will be displayed.
How to update VLC on a Mac
Click on a Mac on VLC> Check for Updates. This option is located in the menu bar at the top of the Mac display.
VLC indicates if an update is available. Click "Install Update" to download it.
When you're done, click "Install and Relaunch" to install and open the latest version of VLC , 
If you click VLC> Check for updates again, you will see a message that you are up-to-date with the latest version available. 
How to Update VLC on Android, iPhone, iPad and Linux
On Android, VLC is being updated through the Google Play Store. Like any other application on the iPhone or iPad, it is updated via the Apple App Store.
The same goes for Linux: your Linux distribution updates VLC through its standard software update tools.
Just install normal applications and software updates to get the latest versions of VLC.