There are two ways on how to download and install updates to your QuickBooks Desktop.

You can use either:

Note: Please do not confuse updating to a new release (example: from QuickBooks 2017 R3P to R5P) with upgrading to a new version (example: from QuickBooks Desktop 2017 to QuickBooks Desktop 2018).

Download and install QuickBooks release updates

Updating to a new release (example: R3P to R5P) sometimes needs to make minor changes in the database. These changes will not make the data file incompatible with earlier releases.