Title Products Classification Last Updated Version Size          Download
2026-03 Cumulative Update Preview for Windows 11, Version 26H1 for x64-based Systems (KB5079489) (28000.1764) Windows Insider Pre-Release Updates 3/26/2026 n/a 3059.4 MB 3208006671
2026-02 Cumulative Update Preview for Windows 11, Version 26H1 for x64-based Systems (KB5077239) (28000.1643) Windows Insider Pre-Release Updates 2/24/2026 n/a 2968.2 MB 3112371435
2025-08 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5064402) Windows Insider Pre-Release Updates 8/29/2025 n/a 107.6 MB 112877402
2025-08 Cumulative Update Preview for Windows 11, version 25H2 for x64-based Systems (KB5064081) (26200.5074) Windows Insider Pre-Release Updates 8/29/2025 n/a 3806.7 MB 3991622428
2025-08 Cumulative Update Preview for Windows 11, version 25H2 for arm64-based Systems (KB5064081) (26200.5074) Windows Insider Pre-Release Updates 8/29/2025 n/a 3682.1 MB 3860977378
2025-08 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5064402) Windows Insider Pre-Release Updates 8/29/2025 n/a 89.5 MB 93798365
Cumulative Update for Windows 11 Insider Preview (10.0.26120.1330) (KB5040543) x64 Windows Insider Pre-Release Updates 7/29/2024 n/a 757.0 MB 793787430
Cumulative Update for Windows 11 Insider Preview (10.0.26120.1330) (KB5040543) arm64 Windows Insider Pre-Release Updates 7/29/2024 n/a 888.0 MB 931113993
2021-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5006364) Windows Insider Pre-Release Updates 10/26/2021 n/a 45.2 MB 47360370
2021-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for ARM64 (KB5006364) Windows Insider Pre-Release Updates 10/26/2021 n/a 45.2 MB 47364773
2021-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for ARM64 (KB5005538) Windows Insider Pre-Release Updates 9/27/2021 n/a 45.1 MB 47254769
2021-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5005538) Windows Insider Pre-Release Updates 9/27/2021 n/a 45.1 MB 47252622
2021-07 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for ARM64 (KB5004330) Windows Insider Pre-Release Updates 7/29/2021 n/a 45.1 MB 47274073
2021-07 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5004330) Windows Insider Pre-Release Updates 7/29/2021 n/a 45.1 MB 47270412
Security Update for Microsoft .NET Framework 3.5 on Windows 10 Insider Preview for x64-based Systems (KB3064238) Windows 10 Security Updates 5/29/2015 n/a 6.1 MB 6436177
Security Update for Microsoft .NET Framework 3.5 on Windows 10 Insider Preview (KB3064238) Windows 10 Security Updates 5/29/2015 n/a 6.1 MB 6443998
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