Updating Citavi on a USB Flash Drive
If you installed Citavi 4 on a PC and a USB flash drive, first install the update on your PC. Then, start Citavi on the PC. On the Help menu, select Install Citavi on a USB flash drive.
If Citavi is not installed on the PC that your USB flash drive is plugged into, download the Citavi Setup from www.citavi.com/update. Double-click the Citavi4Setup.exe file to start the update. Choose your USB flash drive as the destination.