Uninstalling applications, third-party web search providers, changing default settings... Microsoft continues to adjust Windows to comply with the DMA. Its latest "transparency report" attests to this.
Providers of platforms subject to this regulation must provide such reports to the European Commission at least once a year. They must also accompany them with a summary accessible to the public.
Microsoft published its first report in March 2024. The March 2025 update illustrated the extent of the changes made in the interim, from data collection to account synchronization. The entire update applies to Windows 11 and the latest major version of Windows 10 (22H2). This applies to localized PCs during their initial setup or after a factory reset in the European Economic Area (EU + Iceland, Liechtenstein, and Norway).
Since March 2025, Windows has continued to evolve, but the changes have been significantly fewer.
Uninstallable Applications
Microsoft has added a Start Experiences application to Windows that powers widgets. It allows for its uninstallation in the EEA.
In parallel, the Microsoft Store has become uninstallable, although still identified as a system component.
Default Applications
In the Windows 11 settings, you can set the default browser with one click—a "Set as default" button appears at the top right when an application indicates it supports http(s).
Originally, this button associated the browser with http, https, htm, and html links. It now also does so for ftp, read, mht, mhtml, shtml, svg, xht, xhtml, and xml. On new devices, Edge is configured by default for all these types of links and files.
The button also pins the browser to the Start menu and taskbar unless the user unchecks the boxes.
For applications that manage both http(s) and pdf, the button also associates the .pdf extension.
Microsoft has applied the same changes to Windows 10 22H2.
It may happen, for functional or user experience reasons, that programs—Microsoft or third-party—open links and/or files in applications other than the default ones*. Bing and Start Experiences, preloaded and respectively activated as search provider and feed/widgets, are in this case. Now, however, they open web content in the default browser and no longer in Edge.
Windows provides an exploitable API to ask the user to set a default application (it opens the system settings). From now on, Edge only asks to be set as the default app when opened "directly as a browser." Not when launched for another purpose, like reading a PDF.
Search, Widgets, and Feeds
The search field in the taskbar allows applications—MSIX—to provide web results using public APIs.
Now, when an application implementing such a search provider is installed, it is automatically activated. A notification informs the user.
In Windows settings, you can enable, disable, and reorder providers.
Windows Search presents results in accordance with the predefined order.
Windows 11 also allows applications—MSIX and PWA—to feed widgets and feeds via public APIs.
Widgets now appear on the lock screen. You can add, remove, and reorder them.
* In the EEA, Windows 10 and 11 systematically open the default application. The same applies globally in the rest of the world, with exceptions for help content and those that Spotlight displays on the lock screen. Both open in Edge.
Main illustration generated by AI
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