The studio, on your own machine

Windows will warn you on first run

Windows will show a blue screen saying it did not recognise the app. That is expected — nothing is wrong with the file.

While the alpha runs, the app has no signing certificate yet — the thing Windows uses to recognise familiar programs. It comes later, and the warning goes away on its own.

1. On that screen, click “More info”.
2. Then click “Run anyway”.

After that it installs like anything else.