Title Products Classification Last Updated Version Size          Download
2026-10 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5134125) Windows 10 LTSB Updates 10/26/2026 n/a 882.5 MB 925322003
2026-10 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5126657) Windows 10 LTSB Security Updates 10/13/2026 n/a 855.0 MB 896550824
2026-09 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5129236) Windows 10 LTSB Updates 9/14/2026 n/a 829.2 MB 869452264
2026-09 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5122878) Windows 10 and later GDR-DU Security Updates 9/8/2026 n/a 813.5 MB 853057601
2026-09 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5122878) Windows 10 LTSB Security Updates 9/8/2026 n/a 828.6 MB 868848627
2026-08 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5120249) Windows 10 and later GDR-DU Security Updates 8/11/2026 n/a 834.7 MB 875251842
2026-08 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5120249) Windows 10 LTSB Security Updates 8/11/2026 n/a 849.7 MB 891025554
2026-07 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5099539) Windows 10 and later GDR-DU Security Updates 7/14/2026 n/a 827.1 MB 867250465
2026-07 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5099539) Windows 10 LTSB Security Updates 7/14/2026 n/a 842.1 MB 883020378
2026-06 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5094127) Windows 10 and later GDR-DU Security Updates 6/9/2026 n/a 790.7 MB 829065202
2026-06 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5094127) Windows 10 LTSB Security Updates 6/9/2026 n/a 805.7 MB 844822654
2026-05 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5087544) Windows 10 and later GDR-DU Security Updates 5/12/2026 n/a 790.3 MB 828689555
2026-05 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5087544) Windows 10 LTSB Security Updates 5/12/2026 n/a 805.3 MB 844445296
2026-04 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5082200) Windows 10 and later GDR-DU Security Updates 4/14/2026 n/a 780.0 MB 817900664
2026-04 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5082200) Windows 10 LTSB Security Updates 4/14/2026 n/a 795.0 MB 833650621
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 Windows 10 Version 21H2 for ARM64-based Systems (KB5078885) Windows 10 LTSB Security Updates 3/10/2026 n/a 783.2 MB 821243791
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 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 Windows 10 Version 21H2 for ARM64-based Systems (KB5078129) Windows 10 LTSB Updates 1/24/2026 n/a 720.2 MB 755168012
2026-01 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5077796) Windows 10 LTSB Updates 1/17/2026 n/a 719.6 MB 754513410
2026-01 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5073724) Windows 10 and later GDR-DU Security Updates 1/13/2026 n/a 705.6 MB 739852191
2026-01 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5073724) Windows 10 LTSB Security Updates 1/13/2026 n/a 720.5 MB 755515450
2025-12 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5074976) Windows 10 LTSB Updates 12/18/2025 n/a 686.2 MB 719554732
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
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