A small stub, then the real client.

The installer is a thin stub. It fetches and installs the current release, then hands you straight to sign-in.

Get chatdbg-setup.exe.
Run it; it fetches and installs the real client.
Sign in and start your free trial, or activate a license key in License settings.

Your 7-day free trial

Try ChatDbg free for 7 days, with no credit card and no charge when it ends. The free trial is available once per device.

Download and install ChatDbg.
Sign in to your ChatDbg account.
If your device is eligible, the 7-day trial starts automatically, with no card and no charge at expiry.

Windows 10 / 11 x64 · no admin or driver step required.