System requirements
- Windows 10 Build 19041+ or Windows 11
- 4 GB RAM minimum, 8 GB recommended
- 200 MB free disk space
- Access to a Home Assistant instance with mobile_app enabled
- Bundled .NET 10 runtime and WebView2 support
Installation steps
- Download the HACAW installer.
- Run the installer and choose the installation directory.
- Allow the installer to set up .NET 10, WebView2, and Visual C++ redistributables.
- Launch HACAW and continue into the onboarding wizard.
Quick start
- Connect to Home Assistant during onboarding.
- Confirm the device appears in Home Assistant mobile_app devices.
- Send a test notification.
- Enable sensors and, if desired, remote commands.