3CX ver 7.1 licensing problems

[systel]

Hello,
i have a 3cx ver 7 license and i have to reinstall 3CX phone system on the same computer.
i have a serial number provided at the time of purchase. This serial number is not working anymore. I don't wont to buy a new license or an upgrade. Can anyone help me please ?

 

[jpillow]

Contact the vendor you purcahsed the license from they should have something for you.