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Install on Windows

  1. Download the installer — the install-windows.cmd file.
  2. Open the file and confirm the Windows User Account Control prompt.
  3. Wait for the Done message and restart the browser.
If the browser or Windows warns you

The browser may say this file is not commonly downloaded — choose Keep (in Edge: … → Keep → Keep anyway). When you run it, Windows may show “Windows protected your PC” — click More info → Run anyway. Windows does this for any file without a digital signature; it is not a sign of a virus. The installer is a plain text file: you can open it in Notepad before running it to see what it does.

Install for WindowsRather not run the installer?Install the certificate by hand in the system settings →

The set was checked against the official Gosuslugi publication on 28 August 2026. The roots are valid until 2032 and 2040; the set is updated periodically in this project.