Not upgraded to Pro version :-(

This forum is for the free version. Please post questions about the pro versions here:

https://infolific.com/technology/software-worth-using/republish-old-posts-for-wordpress/

As for your upgrade, you should’ve received an email with a license key and a link to download the pro version which you install like any other plugin. You’ll need to deactivate the free version before activating the pro version.