Samuel Bigambo Posted September 24, 2019 Report Share Posted September 24, 2019 Today I received my 2019 pre-purchased latest release of the Nitro Productivity Suite. I already have a downloaded trial version, the problem is it won't activate with the new serial number. I keep receiving "-20 error - Invalid license number. The serial number does not exist". My old Nitro Pro 11 serial number easily activates. I have tried deactivating my old Nitro Pro 11 but still the new serial number won't activate. Please help. Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted September 24, 2019 Official Nitronaut Report Share Posted September 24, 2019 Hello @Sammybigs Nitro, Thanks for reaching out to us! Please use the installers from this page to install Nitro Pro 13: https://www.gonitro.com/nps/product-details/downloads Then use the serial number we sent you. Kindly let me know how that goes. Cheers! Link to comment Share on other sites More sharing options...
Samuel Bigambo Posted September 24, 2019 Author Report Share Posted September 24, 2019 Resolved! Thank you Leslie V. Link to comment Share on other sites More sharing options...
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