Title Products Classification Last Updated Version Size          Download
2025-12 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5071546) Windows 10 and later GDR-DU Security Updates 12/9/2025 n/a 1011.4 MB 1060545811
2025-12 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5071546) Windows 10 and later GDR-DU Security Updates 12/9/2025 n/a 423.2 MB 443708889
2025-12 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5071546) Windows 10 and later GDR-DU Security Updates 12/9/2025 n/a 668.0 MB 700401463
2025-12 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5071546) Windows 10 LTSB Security Updates 12/9/2025 n/a 430.6 MB 451513550
2025-12 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5071546) Windows 10 LTSB Security Updates 12/9/2025 n/a 682.9 MB 716046609
2025-12 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5071546) Windows 10 LTSB Security Updates 12/9/2025 n/a 1027.7 MB 1077651265
2025-11 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5068781) Windows 10 and later GDR-DU Security Updates 11/11/2025 n/a 760.1 MB 796970486
2025-11 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5068781) Windows 10 and later GDR-DU Security Updates 11/11/2025 n/a 422.8 MB 443317089
2025-11 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5068781) Windows 10 and later GDR-DU Security Updates 11/11/2025 n/a 666.9 MB 699329609
2025-11 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5068781) Windows 10 LTSB Security Updates 11/11/2025 n/a 681.9 MB 714974369
2025-11 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5068781) Windows 10 LTSB Security Updates 11/11/2025 n/a 430.2 MB 451119651
2025-11 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5068781) Windows 10 LTSB Security Updates 11/11/2025 n/a 776.2 MB 813955638
2025-10 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5070884) Microsoft Server operating system-21H2 Security Updates 10/23/2025 n/a 410.0 MB 429927901
2025-10 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5066791) Windows 10 and later GDR-DU Security Updates 10/14/2025 n/a 665.0 MB 697290639
2025-10 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5066791) Windows 10 and later GDR-DU Security Updates 10/14/2025 n/a 416.2 MB 436440547
2025-10 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5066791) Windows 10 and later GDR-DU Security Updates 10/14/2025 n/a 713.5 MB 748164657
2025-10 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5066782) Microsoft Server operating system-21H2 Security Updates 10/14/2025 n/a 408.3 MB 428141844
2025-10 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5066791) Windows 10 LTSB Security Updates 10/14/2025 n/a 423.7 MB 444241725
2025-10 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5066791) Windows 10 LTSB Security Updates 10/14/2025 n/a 679.9 MB 712916831
2025-10 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5066791) Windows 10 LTSB Security Updates 10/14/2025 n/a 729.7 MB 765104062
2025-10 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5066746) Windows 10 LTSB Security Updates 10/14/2025 n/a 151.9 MB 159295662
2025-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 (KB5066135) Windows 10 LTSB Security Updates 10/14/2025 n/a 47.7 MB 49987918
2025-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 (KB5066746) Windows 10 LTSB Security Updates 10/14/2025 n/a 47.7 MB 49987918
2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5066130) Windows 10 LTSB Security Updates 10/14/2025 n/a 75.7 MB 79401999
2025-10 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 (KB5066746) Windows 10 LTSB Security Updates 10/14/2025 n/a 94.8 MB 99384201
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