Here is a free Avi/Mkv video joiner, it joins a standard size video file (1.4GB) in less than a min on average and no installation is required just copy to desktop folder and run. When finished with simply delete leaving your registry untouched.


Supported OS:
WinXP, 7, 8/8.1


(The app isn't going to be updated anymore so grab it while you still can)

Code:
https://www.alexander-noe.com/video/amg/#download