One minute to install. Then: cameras plugged in, phone connected, ready for your first live.
Windows 10 or later · 64-bit
Updated July 24, 2026
On macOS? — macOS support is in the works. Create your account now and you'll be notified as soon as it's ready.
Cardcastr is in closed beta and doesn't have a Windows signing certificate yet (it's expensive, it's coming). SmartScreen blocks any unsigned executable by default, known or not. Two clicks and you're through:
Windows protected your PC
Microsoft Defender SmartScreen prevented an unrecognized app from starting.
More info1Windows protected your PC
App: Cardcastr-Setup.exe
Publisher: Unknown
Next
Run Cardcastr-Setup.exe and follow the installer — nothing to configure.
With your Cardcastr account, or create one if you haven't yet.
PC live, phone via QR code — nothing to install on the phone side.
On Whatnot, a few clicks from the Régie.
No account yet?