Go to 'Help > Check for updates' in the software menu. If there's an available update, choose 'Update components'.
First installation
If you don't have DatLab 8 installed, get your password sending an email to instruments@oroboros.at, including your O2k serial number and your institution.
Then donwload DatLab 8.
The internal computer of NextGen-O2k has DatLab 8 already installed and is operated by Linux.