You can use this at any time. Help for a specific field entry. In both instances, a dialog box appears to assist the user. KEYS HELP - explains how the various keys are used. Normally used to display the author or vendor of the program.
Help is also available at the command line.
Again, assuming documentation was loaded during installation. This will display all of the active processes and allows you to kill processes if you so desire. This will display a notebook with various settings. This is a sort of cut and paste feature of the Enhanced Editor. After closing the notebook, click on the right mouse button again and you will see your program added to the list.