1. Go to MyKNX and download ETS4. This can be done either:
- by visiting the section 'My Account-->Products' and then clicking the 'Download' button
- by visiting the article for ETS3 and ETS4 versions here.
2. Locate the downloaded zip file that contains the ETS4 setup file.
How to locate the download folder in...
3. Extract the content of the downloaded zip file and run the 'Ets4Setup.exe'
4. Follow the steps of the ETS4 installation wizard.