If your antivirus (Windows Defender, Malwarebytes) flags the file:
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The following vendors host clean copies for their customers: If your antivirus (Windows Defender, Malwarebytes) flags the
Go to Windows Device Manager → Ports (COM & LPT). You should see "Ruida USB-Serial." Right-click → Properties → Port Settings → Advanced → Set COM port to 1, 2, or 3 (Avoid COM4+). If your antivirus (Windows Defender