Windows 8.1 Update 已經可以從 Windows Update 中進行安裝
[@more@]如果有很多台要更新，也可以先行下載下來進行安裝
x64直接下載連結
http://download.microsoft.com/download/C/F/8/CF821C31-38C7-4C5C-89BB-B283059269AF/Windows8.1-KB2919442-x64.msu
http://download.microsoft.com/download/D/B/1/DB1F29FC-316D-481E-B435-1654BA185DCF/Windows8.1-KB2919355-x64.msu
http://download.microsoft.com/download/D/B/1/DB1F29FC-316D-481E-B435-1654BA185DCF/Windows8.1-KB2932046-x64.msu
http://download.microsoft.com/download/D/B/1/DB1F29FC-316D-481E-B435-1654BA185DCF/Windows8.1-KB2934018-x64.msu
http://download.microsoft.com/download/D/B/1/DB1F29FC-316D-481E-B435-1654BA185DCF/Windows8.1-KB2937592-x64.msu
http://download.microsoft.com/download/D/B/1/DB1F29FC-316D-481E-B435-1654BA185DCF/Windows8.1-KB2938439-x64.msu
x86直接下載連結
http://download.microsoft.com/download/9/D/A/9DA6C939-9E65-4681-BBBE-A8F73A5C116F/Windows8.1-KB2919442-x86.msu
http://download.microsoft.com/download/4/E/C/4EC66C83-1E15-43FD-B591-63FB7A1A5C04/Windows8.1-KB2919355-x86.msu
http://download.microsoft.com/download/4/E/C/4EC66C83-1E15-43FD-B591-63FB7A1A5C04/Windows8.1-KB2932046-x86.msu
http://download.microsoft.com/download/4/E/C/4EC66C83-1E15-43FD-B591-63FB7A1A5C04/Windows8.1-KB2934018-x86.msu
http://download.microsoft.com/download/4/E/C/4EC66C83-1E15-43FD-B591-63FB7A1A5C04/Windows8.1-KB2937592-x86.msu
http://download.microsoft.com/download/4/E/C/4EC66C83-1E15-43FD-B591-63FB7A1A5C04/Windows8.1-KB2938439-x86.msu
修正檔安裝有先後順序，依序是：
KB2919442
KB2919355
KB2932046
KB2937592
KB2938439
KB2934018
其中 KB2919442 是安裝 Windows 8.1 Update 要先安裝的修正檔