November 10, 2020—KB4586823 (Security-only update)

November 10, 2020—KB4586823 Security-only update IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases known as "C" releases for this operating...

July 14, 2020—KB4565541 (Monthly Rollup)

July 14, 2020—KB4565541 Monthly Rollup NEW IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases known as "C" releases for this operating system...