. To start the download, click the Download button and then do one of the following, or select another language from Change Language and then click Change. Click Run to start the installation immediately. Click Save to copy the download to your computer for installation at a later time. These KB's must be installed in the following order: clearcompressionflag.exe, KB2919355, KB2932046, KB2959977, KB2937592, KB2938439, and KB2934018. KB2919442 is a prerequisite for Windows 8.1 Update and should be installed before attempting to install KB2919355.