Microsoft has released Windows 11 KB5062553 and KB5062552 cumulative updates for versions 24H2 and 23H2 to fix security vulnerabilities and issues.
Today's updates are mandatory as they contain the July 2025 Patch Tuesday security patches for vulnerabilities discovered in previous months.
You can install today's update by going to Start > Settings > Windows Update and clicking on 'Check for Updates.'
You can also manually download and install the update from the Microsoft Update Catalog.
What's new in the July 2025 Patch Tuesday update
After installing today's security updates, Windows 11 24H2 (KB5062553) will have its build number changed to Build 26100.4652, and 23H2 (KB5062552) will be changed to 226x1.5624.
July 2025's Patch Tuesday update has a lot of changes. For example, you can now turn on smaller taskbar icons. And Click to Do on Copilot+ PCs now have Microsoft 365 Copilot button, but you won't see majority of the changes because of CFR (Controlled Feature Rollout).
Here's the full list of improvements:
[App defaults] New! We are rolling out some small changes in the European Economic Area (EEA) region for default browsers through the Set default button in Settings > Apps > Default apps : Additional file and link types will be set for the new default browser, if it registers them. The new default browser will be pinned to the Taskbar and Start menu unless you choose not to pin it by clearing the checkboxes. There is now a separate one-click button for browsers to change your .pdf default, if the browser registers for the .pdf file type.
[Click to Do (Preview)] New! Ask Microsoft 365 Copilot is a new action in Click to Do on Copilot+ PCs. Use it to send text or images to Microsoft 365 Copilot, which will respond to your questions. The Ask Microsoft 365 Copilot action requires a Microsoft 365 license and follows your organization’s privacy policies.
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