1. You need a software to Convert Video Files, download the software from following download link below.
2. After you finished your download , extract the folder, and open the file called Allok Video Joiner.exe
3. Click on add files and open the file that you wanted to Convert,or you can drag and drop It.
4. Then click on "Output Format". and select Which format you want Avi, mp4,..etc.
5. Set Your Output Folder [ where you want to save your Video ], and click "Join"
That's All , done!!!