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The download page picks the right one for you. To check yourself, open Settings → System → About and look at System type. Most PCs need the x64 version; ARM-based PCs (for example with a Snapdragon processor) need ARM64.

Early access builds aren't code-signed yet, so Windows SmartScreen doesn't recognize them. Select More info, then Run anyway. You can check that your file is genuine with the SHA-256 checksum on the download page. The Microsoft Store version, coming soon, is signed by Microsoft and won't show this message.

Organization-managed PCs often allow only approved apps. Ask your IT team, or wait for the Microsoft Store version.

Update: download the newest version and run it. It upgrades in place and keeps your sessions and settings.

Uninstall: open Settings → Apps → Installed apps, find FocusLock, and select Uninstall. To remove your data too, first use Settings → Your data in FocusLock.

Select Leave in the timer bar and hold it for 3 seconds, or press Ctrl+Alt+Shift+F12.

On the reminder page, choose Allow for this session. To always allow the site, add it in Learning sources. Pages you open by following a link from your learning material stay open automatically.

Choose your study browser in Settings → Study browser and tabs. Edge and Chrome are fully supported; Brave, Vivaldi, Opera, and Comet are supported too, and Firefox is experimental.

On your PC only. Use Settings → Your data to export or delete it. See the privacy policy.