Windows versions

Winsage
October 15, 2026
Windows Server 2022 has transitioned from mainstream support to extended support, which will last until October 2031. Mainstream support will end on October 13, 2026, with the last security update released in that month. Extended support will continue to provide essential security updates at no additional cost until October 14, 2031. Hotpatching for Windows Server 2022 will be available until October 2027 for Datacenter: Azure Edition. Microsoft recommends upgrading to Windows Server 2025, which will have mainstream support until November 2029 and extended support until November 14, 2034. Windows Server 2025 is set for general availability by November 2024. A free 180-day trial of Windows Server 2025 is available. Additionally, devices running Windows 11 24H2 Home and Pro editions will no longer receive updates, and users are advised to upgrade to Windows 11 26H2 to maintain security. Microsoft warns users of unsupported Windows versions to upgrade to avoid losing access to critical security updates after next year's Windows Update certificate rotation.
Winsage
October 15, 2026
Microsoft released the October Windows update, addressing over 1,400 vulnerabilities, including 80 critical vulnerabilities and two zero-day exploits. This update is the final supported update for Windows 11 24H2 Home and Pro editions and the first for Windows 11 26H2. Notable enhancements include improvements to File Explorer and refined Bluetooth connectivity. One zero-day vulnerability, CVE-2026-96951, has been exploited in the wild, allowing remote attackers to bypass security protections. The second zero-day, CVE-2026-108398, could enable attackers to circumvent security measures in Microsoft’s .NET Framework. Windows 11 users can install the update via Settings and Windows Update, while Windows 10 users can follow a similar process. Each annual version, such as 24H2, will lose support after 24 months, necessitating an upgrade to Windows 11, version 26H2, for continued security updates. The update also introduces a feature to remap the Copilot key for enhanced user flexibility.
Winsage
October 15, 2026
The blue screen of death (BSOD) is a symbol of system failure for Windows users, indicating catastrophic failures and initiating a restart to protect data and hardware. The blue color was chosen for its legibility and familiarity during the development of Windows NT. The BSOD originated in the early 1990s with Windows NT 3.1, designed by John Vert, who was inspired by the color scheme of a MIPS workstation. Earlier versions of Windows, like Windows 3.1, had blue screens but were not classified as true stop screens. The BSOD evolved through various Windows versions, with Windows 8 introducing a sad face and Windows 10 adding a QR code for troubleshooting. In 2024, Microsoft transitioned to a black screen in Windows 11 24H2, marking a significant change in user experience and design principles. This change has received mixed reactions, with some users finding the black screen less reassuring compared to the familiar blue screen.
Winsage
October 12, 2026
Microsoft has reminded IT administrators about the expiration of certificates that enable trusted connections between Windows devices and Windows Update servers, set to expire in May and June of 2027. Devices without replacement certificates by these deadlines may lose access to Windows Update services. Most supported Windows devices will receive new certificates automatically through security updates, but older or infrequently updated systems may require manual intervention. Organizations that do not update their devices risk losing access to critical updates, particularly unsupported Windows versions that will not receive necessary certificate updates. IT teams should audit device inventories and ensure compliance with updates, as systems on supported versions will obtain replacement certificates seamlessly. Upgrading unsupported systems is essential, and organizations are encouraged to conduct audits and expedite upgrade projects to avoid losing access to Windows Update.
Winsage
October 12, 2026
Windows 11 version 24H2 for Home and Pro systems will stop receiving security updates on October 13, 2026. After this date, these editions will not receive any updates or technical support, although they will still boot. Windows 11 Enterprise, Education, IoT Enterprise, and Enterprise multi-session editions will continue to receive support until October 12, 2027. Organizations are advised to verify their systems' versions and editions, especially for those without endpoint management systems. Windows 11 25H2 and 26H2 are available as upgrade options, with 25H2 supported until October 12, 2027, and 26H2 supported until October 10, 2028, for Home and Pro editions. The rollout of 26H2 will be phased, and safeguard holds may be implemented if compatibility issues are detected. Unmanaged Home and Pro devices on 24H2 will automatically receive 25H2, while managed devices may require IT intervention. Regular monitoring and proactive management of Windows versions are necessary to ensure compliance and avoid future deadlines.
Winsage
October 12, 2026
Microsoft is updating the certificates that authenticate communication between Windows PCs and Windows Update servers, with the current certificates expiring on May 17 and June 19, 2027. Users will generally not need to take action as the new certificates will be included in regular monthly security updates. Specific requirements for different Windows versions include: - Windows 11 25H2 and later: No action required. - Windows 11 24H2: Must install the September 2025 security update or newer. - Other supported Windows 11 and Windows 10 versions: Need the July 2026 update or later before June 19, 2027. - Windows 10 Enterprise 2019 LTSC, Windows Server 2019, and Windows Server 2016: Deadline of May 17, 2027. Devices running unsupported versions will lose access to Windows Update services. Home users with Windows 10 PCs not enrolled in Extended Security Updates (ESU) after October 2025 may miss the critical July 2026 patch. Microsoft has extended ESU coverage until October 12, 2027. Users should check their update history to ensure they have received a cumulative update from July 2026 or later.
Winsage
October 11, 2026
Windows machines that are not current with updates will face changes in access to Windows Update due to two critical certificate expirations on May 17, 2027, and June 19, 2027. Supported versions must install specific security updates before these dates to maintain access. - Windows 11, version 25H2 and later: No action required. - Windows 11, version 24H2 and Windows Server 2025: Must install the September 2025 Windows security update or later, before June 19, 2027. - Other in-support Windows 11 versions and Windows Server 2022: Must install the July 2026 Windows security update or later, before June 19, 2027. - In-support Windows 10 versions: Must install the July 2026 Windows security update or later, before June 19, 2027. - Windows 10 Enterprise 2019 LTSC, Windows Server 2019, and Windows Server 2016: Must install the July 2026 Windows security update or later, before May 17, 2027. - Any other Windows version: Upgrade to a supported release to maintain access. Devices that are up to date will continue receiving updates without interruption, while those that are behind will lose access to Windows Update services after the expiration dates. Out-of-support versions will lose access entirely. The notice regarding the certificate expiration was posted on October 8, 2026, and reiterated on October 10, 2026.
Winsage
October 9, 2026
Microsoft will stop providing security updates for devices running unsupported versions of Windows after the Windows Update certificate rotation in May and June 2027, specifically on May 17, 2027, and June 19, 2027. Users and administrators are advised to upgrade to a supported version of Windows before these dates to maintain system integrity. Replacement certificates have already been issued for supported versions, requiring no action for those systems. Specific upgrade guidance includes: - Windows 11, version 25H2 and later: No action required. - Windows 11, version 24H2 and Windows Server 2025: Install the September 2025 security update or later before June 19, 2027. - Other supported versions of Windows 11, Windows Server 2022, and Windows 10: Install the July 2026 security update or later before June 19, 2027. - Windows 10 Enterprise 2019 LTSC, Windows Server 2019, and Windows Server 2016: Install the July 2026 security update or later before May 17, 2027. - Other Windows versions: Upgrade to a supported version of Windows client or Windows Server. IT administrators should evaluate their networks for unsupported Windows versions and ensure monthly updates are applied to supported devices. The directive does not apply to devices receiving updates through Windows Server Update Services (WSUS). Microsoft also announced the rollout of Windows 11, version 26H2, as an enablement package for eligible systems.
Winsage
September 28, 2026
A recent post on X claims that Windows retains a thumbnail of every deleted photo in a file named thumbcache_256.db, which has raised privacy concerns among users. While Windows does maintain a thumbnail cache for efficiency, this practice is not unique to Windows, as other operating systems like macOS, Linux, and Android also use similar systems. Users can inspect or clear their thumbnail cache by accessing specific database files in the Windows Explorer directory. The claim that Windows retains "every photo you’ve ever deleted" is misleading, as thumbnails are only created when images are viewed in thumbnail mode. Windows does not cache every file, and thumbnails must exist before they can be cached. Additionally, Windows keeps app launch records in Prefetch files for performance optimization, maintains entries for USB devices in the USBSTOR registry key, retains records of Wi-Fi networks and passwords (which are encrypted), and can keep clipboard history and recent file shortcuts. Caching previews is common across various operating systems, and Microsoft is focused on user consent and privacy as it enhances Windows 11 with AI functionalities.
Winsage
September 26, 2026
Microsoft has announced that the Internet Explorer mode within its Edge browser will be supported until at least the end of 2029. This mode allows organizations to run IE's rendering engine on current Windows versions. Microsoft will provide a minimum of one year's notice before any end-of-support date. IE mode is a compatibility feature in Edge that uses the legacy Trident engine. Internet Explorer officially retired its standalone browser in June 2022, having dropped to less than 1 percent of the browser market share at that time.
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