These builds talk to the dev server (dev-api.qros.in). They are not signed yet, so Windows and Android ask once before installing.
QROS Pro for WindowsWindows 10 or 11, 64-bit. "More info" → "Run anyway". QROS Lite for AndroidAndroid 8 or newer. Allow "Install unknown apps" for your browser.QROS Staff needs no download: open the staff link from QROS Pro on the phone and install it.