Windows 8.1 articles, fixes and updates - Year 2023

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Windows 8.1 that have been released in Year 2023. The list is daily updated.

• 4036293 Find the serial number on your Microsoft or Surface device Q4036293 KB4036293 December 7, 2023
• 5000264 Switch to Microsoft Edge for a better browsing experience Q5000264 KB5000264 November 13, 2023
• 4457951 Windows guidance to protect against speculative execution side-channel vulnerabilities Q4457951 KB4457951 October 27, 2023
• 10741 Fix Wi-Fi connection issues in Windows Q10741 KB10741 October 6, 2023
• 5009763 EFS security hardening changes in CVE-2021-43217 Q5009763 KB5009763 July 28, 2023
• 4034879 Use the LdapEnforceChannelBinding registry entry to make LDAP authentication over SSL/TLS more secure Q4034879 KB4034879 July 12, 2023
• 4557900 DST changes in Windows for Morocco: May 2020 Q4557900 KB4557900 April 13, 2023
• 4054856 .NET Framework 4.7.1 Update (KB4054856) Q4054856 KB4054856 April 13, 2023
• 5012170 Security update for Secure Boot DBX Q5012170 KB5012170 April 11, 2023
• 5020805 How to manage Kerberos protocol changes related to CVE-2022-37967 Q5020805 KB5020805 April 10, 2023
• 5004442 Manage changes for Windows DCOM Server Security Feature Bypass (CVE-2021-26414) Q5004442 KB5004442 March 20, 2023
• 5022352 January 10, 2023—KB5022352 (Monthly Rollup) Q5022352 KB5022352 March 14, 2023
• 5022346 January 10, 2023—KB5022346 (Security-only update) Q5022346 KB5022346 March 14, 2023
• 5021296 December 13, 2022—KB5021296 (Security-only update) Q5021296 KB5021296 March 14, 2023
• 5021294 December 13, 2022—KB5021294 (Monthly Rollup) Q5021294 KB5021294 March 14, 2023
• 5020023 November 8, 2022—KB5020023 (Monthly Rollup) Q5020023 KB5020023 March 14, 2023
• 5020010 November 8, 2022—KB5020010 (Security-only update) Q5020010 KB5020010 March 14, 2023
• 5018476 October 11, 2022—KB5018476 (Security-only update) Q5018476 KB5018476 March 14, 2023
• 5018474 October 11, 2022—KB5018474 (Monthly Rollup) Q5018474 KB5018474 March 14, 2023
• 5018922 Servicing stack update for Windows 8.1, RT 8.1, and Server 2012 R2: October 11, 2022 Q5018922 KB5018922 March 1, 2023
• 12435 Upgrade to Windows 10: FAQ Q12435 KB12435 February 16, 2023
• 4533959 Learn about tracking prevention in Microsoft Edge Q4533959 KB4533959 February 15, 2023
• 4490115 Change or reset your Windows password Q4490115 KB4490115 February 14, 2023
• 15290 Pair a Bluetooth device in Windows Q15290 KB15290 February 14, 2023
• 13443 Which version of Windows operating system am I running? Q13443 KB13443 February 14, 2023
• 4343220 This hotfix is no longer available Q4343220 KB4343220 February 13, 2023
• 4033787 Protect yourself from phishing Q4033787 KB4033787 February 8, 2023
• 12415 Recovery options in Windows Q12415 KB12415 January 19, 2023
• 4535680 Security update for Secure Boot DBX: January 12, 2021 Q4535680 KB4535680 January 18, 2023
• 5014774 Windows 8.1 support ended on January 10, 2023 Q5014774 KB5014774 January 13, 2023
• 4229823 Moving to a Windows 10 PC Q4229823 KB4229823 January 13, 2023
• 17422 Create a USB recovery drive Q17422 KB17422 January 11, 2023
• 17085 How to refresh, reset, or restore your Windows 8.1 PC Q17085 KB17085 January 11, 2023
• 15356 Install the Windows 8.1 Update (KB 2919355) Q15356 KB15356 January 11, 2023
• 15288 Update to Windows 8.1 from Windows 8 Q15288 KB15288 January 11, 2023
• 15083 Product activation for Windows – online & support telephone numbers Q15083 KB15083 January 11, 2023
• 15046 Download and install drivers in Windows 8.1 Q15046 KB15046 January 11, 2023
• 12660 System requirements Q12660 KB12660 January 11, 2023
• 17621 Internet Explorer Downloads Q17621 KB17621 January 10, 2023
• 12373 Windows Update: FAQ Q12373 KB12373 January 10, 2023
• 5022725 The October 2022 and later security updates implement a change of behavior for the Internet Explorer event log access permissions Q5022725 KB5022725 January 6, 2023