Do you have all the of this file saved in the same folder?
: You need a program like WinRAR , 7-Zip (Windows), or The Unarchiver (Mac) to reassemble them.
: You cannot open Part 11 by itself. You must have every single part of the set (e.g., Part 1 through Part 11 or more) saved in the same folder on your computer.
: Right-click on Part 01 (not Part 11) and select "Extract Here." The software will automatically pull data from all the subsequent parts, including Part 11, to create one single video file (usually an .mp4 or .mkv ).
: Based on the filename, this version is in 1080p resolution , which is High Definition. Troubleshooting