Title Products Classification Last Updated Version Size          Download
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 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 x64-based Systems (KB5066791) Windows 10 LTSB Security Updates 10/14/2025 n/a 729.7 MB 765104062
2025-09 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5065429) Windows 10 and later GDR-DU Security Updates 9/9/2025 n/a 706.9 MB 741186736
2025-09 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5065429) Windows 10 LTSB Security Updates 9/9/2025 n/a 723.0 MB 758134810
2025-08 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5066188) Windows 10 LTSB Updates 8/19/2025 n/a 721.7 MB 756787288
2025-08 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5063709) Windows 10 and later GDR-DU Security Updates 8/12/2025 n/a 704.9 MB 739190962
2025-08 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5063709) Windows 10 LTSB Security Updates 8/12/2025 n/a 721.1 MB 756129606
2025-07 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5062554) Windows 10 and later GDR-DU Security Updates 7/8/2025 n/a 707.2 MB 741564878
2025-07 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5062554) Windows 10 LTSB Security Updates 7/8/2025 n/a 723.4 MB 758501019
2025-06 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5060533) Windows 10 and later GDR-DU Security Updates 6/10/2025 n/a 701.4 MB 735467677
2025-06 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5060533) Windows 10 LTSB Security Updates 6/10/2025 n/a 717.5 MB 752373881
2025-05 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5061979) Windows 10 LTSB Updates 5/27/2025 n/a 713.6 MB 748288326
2025-05 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5061768) Windows 10 LTSB Updates 5/19/2025 n/a 711.5 MB 746090767
2025-05 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5058379) Windows 10 and later GDR-DU Security Updates 5/13/2025 n/a 696.9 MB 730800286
2025-05 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5058379) Windows 10 LTSB Security Updates 5/13/2025 n/a 713.0 MB 747682608
2025-04 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5055518) Windows 10 and later GDR-DU Security Updates 4/8/2025 n/a 695.3 MB 729046750
2025-04 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5055518) Windows 10 LTSB Security Updates 4/8/2025 n/a 711.3 MB 745894569
2025-03 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5053606) Windows 10 and later GDR-DU Security Updates 3/11/2025 n/a 662.3 MB 694438207
2025-03 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5053606) Windows 10 LTSB Security Updates 3/11/2025 n/a 678.3 MB 711247143
2025-02 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5051974) Windows 10 and later GDR-DU Security Updates 2/11/2025 n/a 659.8 MB 691902013
2025-02 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5051974) Windows 10 LTSB Security Updates 2/11/2025 n/a 675.9 MB 708690721
2025-01 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5049981) Windows 10 and later GDR-DU Security Updates 1/14/2025 n/a 655.2 MB 687076099
2025-01 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5049981) Windows 10 LTSB Security Updates 1/14/2025 n/a 671.3 MB 703881498
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