Nextgen download redirect not working

Hi There I purchased the Premium version so I could use the album shortcode however, after paying PayPal did not re-direct me to the download page. works on test mode but not on live mode set up through PayPal standard

Where do I go to download?

Also when i upload watermark to images in background says just another wordpress site where has this came from was not there until uploaded watermark image

https://www.ads-software.com/plugins/nextgen-gallery/