Title Products Classification Last Updated Version Size          Download
2026-03 Dynamic Update for Windows 10 Version 21H2 for x64-based Systems (KB5078884) Windows 10 and later Dynamic Update, Windows Safe OS Dynamic Update Critical Updates 3/10/2026 n/a 29.9 MB 31315052
2026-03 Dynamic Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5078884) Windows 10 and later Dynamic Update, Windows Safe OS Dynamic Update Critical Updates 3/10/2026 n/a 57.1 MB 59831109
2026-03 Dynamic Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5079518) Windows 10 and later Dynamic Update Critical Updates 3/10/2026 n/a 17.3 MB 18106103
2026-03 Dynamic Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5078822) Windows 10 and later Dynamic Update, Windows Safe OS Dynamic Update Critical Updates 3/10/2026 n/a 28.2 MB 29600472
2026-03 Dynamic Update for Windows 10 Version 21H2 for x86-based Systems (KB5078884) Windows 10 and later Dynamic Update, Windows Safe OS Dynamic Update Critical Updates 3/10/2026 n/a 15.3 MB 16035351
2026-03 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5078885) Windows 10 and later GDR-DU Security Updates 3/10/2026 n/a 524.8 MB 550259980
2026-03 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5078885) Windows 10 and later GDR-DU Security Updates 3/10/2026 n/a 829.9 MB 870165779
2026-03 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5078885) Windows 10 and later GDR-DU Security Updates 3/10/2026 n/a 768.2 MB 805532895
2026-03 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5078766) Microsoft Server operating system-21H2 Security Updates 3/10/2026 n/a 499.4 MB 523660670
2026-03 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5078885) Windows 10 LTSB Security Updates 3/10/2026 n/a 532.3 MB 558127559
2026-03 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5078885) Windows 10 LTSB Security Updates 3/10/2026 n/a 783.2 MB 821243791
2026-03 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5078885) Windows 10 LTSB Security Updates 3/10/2026 n/a 846.1 MB 887209056
2026-02 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5082314) Microsoft Server operating system-21H2 Updates 3/2/2026 n/a 413.0 MB 433051920
2026-02 Dynamic Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5075910) Windows 10 and later Dynamic Update, Windows Safe OS Dynamic Update Critical Updates 2/10/2026 n/a 50.6 MB 53083560
2026-02 Dynamic Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5075915) Windows 10 and later Dynamic Update, Windows Safe OS Dynamic Update Critical Updates 2/10/2026 n/a 22.7 MB 23778675
2026-02 Dynamic Update for Windows 10 Version 21H2 for x86-based Systems (KB5075910) Windows 10 and later Dynamic Update, Windows Safe OS Dynamic Update Critical Updates 2/10/2026 n/a 14.0 MB 14633631
2026-02 Dynamic Update for Windows 10 Version 21H2 for x64-based Systems (KB5075910) Windows 10 and later Dynamic Update, Windows Safe OS Dynamic Update Critical Updates 2/10/2026 n/a 27.2 MB 28520414
2026-02 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5075912) Windows 10 and later GDR-DU Security Updates 2/10/2026 n/a 822.7 MB 862699282
2026-02 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5075912) Windows 10 and later GDR-DU Security Updates 2/10/2026 n/a 525.8 MB 551340119
2026-02 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5075912) Windows 10 and later GDR-DU Security Updates 2/10/2026 n/a 750.4 MB 786813910
2026-02 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5075906) Microsoft Server operating system-21H2 Security Updates 2/10/2026 n/a 412.4 MB 432394998
2026-02 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5075912) Windows 10 LTSB Security Updates 2/10/2026 n/a 839.0 MB 879718321
2026-02 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5075912) Windows 10 LTSB Security Updates 2/10/2026 n/a 533.3 MB 559199778
2026-02 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5075912) Windows 10 LTSB Security Updates 2/10/2026 n/a 765.3 MB 802497410
2026-01 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5078136) Microsoft Server operating system-21H2 Updates 1/24/2026 n/a 413.6 MB 433696310
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