What is a Major Upgrade / Minor Upgrade... The Version number of your installed copy of d'peg! can be found in the Help > About Menu Selection of the program. The Version is a tracking number to indicate a point in a program or project lifespan.   6 . 00 The Major Revision portion is the number to the left of the period   The Minor Revision portion is the number to the right of the period     A Major Upgrade is one where the Major Revision portion of the number changes. A Major Upgrade occurs when a large amount of work has been done to the program such as a re-write or core component changes. A Minor Upgrade is one where the Minor Revision portion of the number changes. Program modifications, enhancements, and bug fixes are usually provided as Minor Upgrades.