The A to Z feature of PS7 has a wealth of just-in-time training to refresh when required (See below)
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For quick access to "Help": Click on the “More” button in the left-hand tool panel and select “HELP”
Note: Clicking on the “Star” symbol to the left of the “HELP” symbol will place the “HELP” button in the left-hand tool panel where it will remain ready for use without having to select “More”