If you have the Desktop CD/Download program installed on your computer you go up to the top menu line and click on menu item Online then on Check for Updates. Or just close and reopen the program.
The updates usually come out every Thursday. There will be lots of updates. It should automatically download updates each time you start the program. Although in the Windows program you can change the Updater settings to ask you first or to never update. To change the Windows program Update Preferences settings go up To Online - Updater Preferences
How to update
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