Run subzero to convert your subs from gibberish to a proper language. Sync your subtitles by comparing them to well synced subtitles in another language.
Download the program in a zip file from the link: SubZero.zip Extract the all contents, and procees to INSTALLATION.
To install, simply unzip the downloaded file, and then double-click install.bat
To run, simply open SubZero.bat. Close the terminal (the black window) when you are done.