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Install Luma

System requirements, downloading and installing Luma on Windows, the SmartScreen warning, and uninstalling.

Luma runs on Windows 10 and Windows 11. It installs in about a minute, for your Windows account, and doesn’t ask for administrator rights.

System requirements

  • Windows 10 or Windows 11, 64-bit.
  • An internet connection, for the download and for updates.
  • No administrator rights, unless you choose to install Luma for every user of the PC.

Luma’s interface is in English and Italian. Versions for other systems are on the way and will be announced when they come out.

Download and install

  1. Open lumabrowser.dev and choose Download Luma. The installer for Windows downloads straight away: no email or account needed.
  2. Open the file you downloaded. Its name starts with Luma-Setup- followed by the version number. Luma Setup opens.
  3. Check the options: Install location (choose Change… to pick another folder), Create a desktop shortcut, and Install for all users (needs administrator) if other people use this PC with their own accounts.
  4. Choose Install. When Setup says Luma is installed, choose Open Luma now, or Finish to close Setup. You’ll find Luma in the Start menu.

Luma goes into %LOCALAPPDATA%\Programs\Luma Browser unless you choose another folder. Installed for all users, it goes into Program Files\Luma Browser, and Windows asks for an administrator’s permission.

If Luma is open when you run Setup again (to reinstall it, for example), Setup asks you to close it first: choose Close Luma and continue. Your tabs and browsing data stay as they are.

If Windows SmartScreen warns you

Luma’s installer isn’t code-signed yet. Windows SmartScreen doesn’t recognise it, so when you open it Windows may show Windows protected your PC instead of starting Setup.

  1. Choose More info.
  2. Check that the app is the Luma Setup file you downloaded from lumabrowser.dev.
  3. Choose Run anyway. Setup opens as usual.

Updates are not affected by the missing code signature: Luma installs an update only if it carries Luma’s own digital signature and comes from lumabrowser.dev.

Uninstall Luma

  1. In Windows, open Settings › Apps › Installed apps (on Windows 10: Settings › Apps › Apps & features).
  2. Find Luma Browser, open its menu and choose Uninstall.
  3. In the window that opens, decide whether to tick Also delete my browsing data, then choose Uninstall.

Leave the box unticked to keep your bookmarks, history, passwords and settings on the PC, in %LOCALAPPDATA%\Luma: they’ll be back if you install Luma again. Tick it to delete them from this computer.