Windows 10 Version 1511 updates are cumulative. Therefore, this package contains all previously released fixes (see 3118754). If you have previous updates installed, only the new fixes that are contained in this package will be downloaded and installed to your computer.
Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.