Knowledge Base 11. Open Optinet & check the version number on the main menu is correct Finally you can view the release notes to see what has changed, click onto the menu labelled ‘Optinet’ followed by ‘Release Notes’, when the list of available release notes appears click the ‘View’ button next to your choice. Helpline: 0845 313 0233 Mon-Fri: 9am - 5.30pm, Sat: 9am - Midday Upgrading my Optinet^TM software