This task explains how to get contextual help on the
current command.
Select
Help > CATIA
V5 Help, or press F1.
For example, if you are using the Edge Fillet command, the
online help library is displayed in HTML format in a Web browser window,
at the topic explaining how to use the Edge Fillet command:
Pressing the F1 key also lets you
access the Companion, provided that the Computer-Based Training module and
the Companion have been previously installed.