- 
First download the ZenPak software from the manufacturer (Where can ZenPak be downloaded?).
 - Install the software
 - Search for the latest firmware for the corresponding device (Where to find the firmware updates for the devices?)
 - Connect the devices to be updated properly to a KNX bus voltage
 - Connect the devices to your local network
 - Start the ZenPak software and follow the instructions:
 
- Open the selection dialogue (1)
 
- Select the downloaded files (1) and open them (2)
 
- 
Update the device overview (1)
 - Select the devices to be updated (2)
 - Start the update process (3)