First, remove any previous versions of the mod.

Move these files/folders into your ME3 Binaries/Win32 directory (on Windows, this is usually C:\Program Files (x86)\Origin Games\Mass Effect 3\Binaries\Win32)

 - INSTALL_CINEMA_MOD.bat
 - UNINSTALL_CINEMA_MOD.bat
 - resources

AFTER you have moved these files, run INSTALL_CINEMA_MOD.bat to start the install.
To uninstall, simply run UNINSTALL_CINEMA_MOD.bat