The current version of DefenderUI is 2.05 (as of 27/08/2026). patchletter checks the official source daily and emails you every new release.
DefenderUI at a glance
DefenderUI is a Windows tool that gives the Microsoft Defender built into Windows 10 and 11 a clear graphical interface. It exposes protection features that are otherwise reachable only through group policy or PowerShell and bundles them into preconfigured profiles, ranging from the default setup to a stricter hardening level. Administrators and advanced users can harden the built-in antivirus in a targeted way without setting individual registry or policy values by hand.
The program is offered as a free application and distributed through the Windows package manager and the Microsoft Store, among other channels. Updates typically bring bug fixes along with adjusted defaults and new switches for Defender features.
When updating, keep in mind that applying a new profile can overwrite existing hardening settings. Before rolling it out widely, testing on a reference system is advisable so that changed defaults do not unintentionally shift compatibility or the level of protection.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 2.05 | STABLE | 27/08/2026 | Release notes → |
Frequently asked questions
- What is the latest version of DefenderUI?
- DefenderUI 2.05, released 27/08/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the DefenderUI release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new DefenderUI updates?
- Free by email: patchletter reports every new release — instantly or bundled as a digest. Unsubscribe anytime with one click.
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