If you have lots of MP4 files without subtitles and want to add SRT to MP4, you need a reliable tool for help (Windows 8 included).
Ọ bụrụ na ị nwere nza nke MP4 faịlụ na-enweghị ndepụta okwu ma na-achọ tinye SRT ka MP4, i kwesịrị a pụrụ ịdabere na ngwá maka enyemaka (Windows 8 gụnyere).