You can access the Knowledge Centre from your Alto Software.
At the top right of your Alto, click on AskAlto.
This will open the chat facility, Willow, which may help you get quick answers and links to useful articles which relate to your most pressing questions about Alto.
The Knowledge Centre is available to you by selecting the "Open Knowledge Centre" button from within Ask Alto.
Watch the quick video (Using The Knowledge Centre) to show you how to best navigate the Knowledge Centre.