Edit Video Clip on Blu-ray with Windows Movie Maker

Blu-ray disc usually has complicated copy and region protection, you will need a special program to bypass that protection. A lot of people recommend to use MakeMKV, however, you may find that the program only enables you to output a large MKV file, which are not supported by Windows Movie Maker, you still need a special video encoding software such as Handbrake to convert MKV into Windows Movie Maker supported file formats. http://www.multipelife.com/import-blu-ray-to-windows-movie-maker.html