Check out this YouTube link
The full instructions can be found here: http://www.wintips.org/rotate-video-using-vlc-media-player-version-2-1-2/
VLC Version 2.1.2 official download links:
- For Windows 32bit versions:
http://download.videolan.org/pub/videolan/vlc/2.1.2/win32/vlc-2.1.2-win32.exe - For Windows 64bit versions:
http://download.videolan.org/pub/videolan/vlc/2.1.2/win64/vlc-2.1.2-win64.exe
Source: http://www.wintips.org/
