Update for Windows Server 2008 R2 x64 Edition (KB3020369)
http://download.windowsupdate.com/d/msdownload/update/software/updt/2015/04/windows6.1-kb3020369-x64_5393066469758e619f21731fc31ff2d109595445.msu
-------------------------------
Windows 8.1补丁 KB4012213、KB4012216
------------------------------- Windows 8.1 32位
March, 2017 Security Only Quality Update for Windows 8.1 (KB4012213)
http://download.windowsupdate.com/c/msdownload/update/software/secu/2017/02/windows8.1-kb4012213-x86_e118939b397bc983971c88d9c9ecc8cbec471b05.msu
March, 2017 Security Monthly Quality Rollup for Windows 8.1 (KB4012216)
http://download.windowsupdate.com/c/msdownload/update/software/secu/2017/03/windows8.1-kb4012216-x86_d4facfdaf4b1791efbc3612fe299e41515569443.msu
Windows 8.1 64位
March, 2017 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4012213)
http://download.windowsupdate.com/c/msdownload/update/software/secu/2017/02/windows8.1-kb4012213-x64_5b24b9ca5a123a844ed793e0f2be974148520349.msu
March, 2017 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4012216)
http://download.windowsupdate.com/d/msdownload/update/software/secu/2017/03/windows8.1-kb4012216-x64_cd5e0a62e602176f0078778548796e2d47cfa15b.msu