On your Windows PC:

1. Open the Microsoft Store on your device.
2. Search for “3CX” in the search bar or use this Link
3. Tap ‘Get’ and follow any Microsoft Account Prompts to install the App.
4. Tap the ‘open’ button to launch the 3CX App.

Once installed, the App will need to be provisioned, this can be done following this Guide: https://www.jansait.com/wiki/provision-3cx-windows-app/

If you’re having trouble with above, you can reach out for support by calling 0208 819 8089 or emailing support@jansait.com.