If you were happy with version 23 of Photo Stopwatch and aren't interested in upgrades then this is for you. Also if you want to keep up to date with any changes made to Photo Stopwatch, but also want to have a version installed that you can use in the event of an upgrade causing a problem then this is for you.Basically it's just a copy of version 23 of Photo Stopwatch, to allow new versions of Photo Stopwatch to be released and still give you the option of reverting back to version 23 if that works better for you.....