There is NO such thing for Lightroom as disabling the serial number. (There is such a thing for Photoshop, but not for Lightroom)
Your previous serial number for Lightroom 5 should still work for Lightroom 5. What happens when you try to use it?
There is NO such thing for Lightroom as disabling the serial number. (There is such a thing for Photoshop, but not for Lightroom)
Your previous serial number for Lightroom 5 should still work for Lightroom 5. What happens when you try to use it?