Basically, they'll give you a discount if you upgrade every year or two, but not if you wait 4 years
If you do buy the full version, you won't have to uninstall PD13. In fact you
should keep it installed so that PD17 will see any customized and downloaded content from PD13. After that, feel free to keep or uninstall PD13 as you see fit.
This message was edited 1 time. Last update was at Nov 12. 2018 21:21
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