The End of Support Calendar shows Microsoft Operating Systems end of support dates, whether they are the end of mainstream support that updates features and cosmetic changes, or extended support, which ends security fixes and all Microsoft technical support other than old web pages.
Windows 10 Security Updates end October 14, 2025
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Tue11Nov2025
Windows 11 23H2, from October 2023, ends patching November 11th, 2025.
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Tue13Oct2026
Microsoft Office 2021 leaves extended support.
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Tue13Oct2026
The annual feature edition of Windows 11 known as 24H2, for 2024 second half, will reach the end of supports and patches October 13, 2026.
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Mon01Oct2029
Microsoft Office 2024, including Home & Business and Home & Student editions, reaches the end of support and patching October 9th, 2029. The launch date for this version of Office was October 1st, 2024.