Step by step
- Open Download Cardium and choose Windows.
- Save the official installer and review the release instructions.
- Open the installer and follow the on-screen setup.
- Start Cardium and sign in using your account email.
If Windows blocks installation
Read the exact warning and confirm that the file came from the official Cardium link. Do not disable device protection or bypass a warning based on instructions from an unknown sender. Capture the warning text and your Windows version for support. Release notes list the supported Windows versions.