2020-01 Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1 and Server 2012 R2 for x64 (KB4535104)
2020-03 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4541509)
Security Update for Windows 8.1 for x64-based Systems (KB2973201)
Security Update for Windows 8.1 for x64-based Systems (KB2976897)
Security Update for Windows 8.1 for x64-based Systems (KB3010788)
Security Update for Windows 8.1 for x64-based Systems (KB3011780)
Security Update for Windows 8.1 for x64-based Systems (KB3019978)
Security Update for Windows 8.1 for x64-based Systems (KB3023266)
Security Update for Windows 8.1 for x64-based Systems (KB3035126)
Security Update for Windows 8.1 for x64-based Systems (KB3042058)
Security Update for Windows 8.1 for x64-based Systems (KB3045685)
Security Update for Windows 8.1 for x64-based Systems (KB3045755)
Security Update for Windows 8.1 for x64-based Systems (KB3045999)
Security Update for Windows 8.1 for x64-based Systems (KB3046017)
Security Update for Windows 8.1 for x64-based Systems (KB3059317)
Security Update for Windows 8.1 for x64-based Systems (KB3061512)
Security Update for Windows 8.1 for x64-based Systems (KB3062760)
Security Update for Windows 8.1 for x64-based Systems (KB3071756)
Security Update for Windows 8.1 for x64-based Systems (KB3076949)
Security Update for Windows 8.1 for x64-based Systems (KB3081320)
Security Update for Windows 8.1 for x64-based Systems (KB3082089)
Security Update for Windows 8.1 for x64-based Systems (KB3084135)
Security Update for Windows 8.1 for x64-based Systems (KB3086255)
Security Update for Windows 8.1 for x64-based Systems (KB3092601)
Security Update for Windows 8.1 for x64-based Systems (KB3102939)
Security Update for Windows 8.1 for x64-based Systems (KB3109103)
Security Update for Windows 8.1 for x64-based Systems (KB3109560)
Security Update for Windows 8.1 for x64-based Systems (KB3110329)
Security Update for Windows 8.1 for x64-based Systems (KB3115858)
Security Update for Windows 8.1 for x64-based Systems (KB3126041)
Security Update for Windows 8.1 for x64-based Systems (KB3126434)
Security Update for Windows 8.1 for x64-based Systems (KB3126587)
Security Update for Windows 8.1 for x64-based Systems (KB3126593)
Security Update for Windows 8.1 for x64-based Systems (KB3138910)
Security Update for Windows 8.1 for x64-based Systems (KB3138962)
Security Update for Windows 8.1 for x64-based Systems (KB3139398)
Security Update for Windows 8.1 for x64-based Systems (KB3139914)
Security Update for Windows 8.1 for x64-based Systems (KB3146723)
Security Update for Windows 8.1 for x64-based Systems (KB3155178)
Security Update for Windows 8.1 for x64-based Systems (KB3155784)
Security Update for Windows 8.1 for x64-based Systems (KB3156059)
Security Update for Windows 8.1 for x64-based Systems (KB3159398)
Security Update for Windows 8.1 for x64-based Systems (KB3161949)
Security Update for Windows 8.1 for x64-based Systems (KB3172729)
Security Update for Windows 8.1 for x64-based Systems (KB3175024)
Security Update for Windows 8.1 for x64-based Systems (KB3178539)
Security Update for Windows 8.1 for x64-based Systems (KB3187754)
Update for Windows 8.1 for x64-based Systems (KB2967917)
Update for Windows 8.1 for x64-based Systems (KB2976978)
Update for Windows 8.1 for x64-based Systems (KB2994290)
Update for Windows 8.1 for x64-based Systems (KB3000850)
Update for Windows 8.1 for x64-based Systems (KB3008242)
Update for Windows 8.1 for x64-based Systems (KB3034348)
Update for Windows 8.1 for x64-based Systems (KB3042085)
Update for Windows 8.1 for x64-based Systems (KB3044374)
Update for Windows 8.1 for x64-based Systems (KB3077715)
Windows Malicious Software Removal Tool x64 - March 2020 (KB890830)