What OS are you using and more important what BIT is it, 32 or 64?
The 2015 version only runs on 64 bit OS's. So if you are running a 32bit version of Windows, 7, 8, 8.1, 10, then the only version of LR that runs on those is 5.7.1.
What OS are you using and more important what BIT is it, 32 or 64?
The 2015 version only runs on 64 bit OS's. So if you are running a 32bit version of Windows, 7, 8, 8.1, 10, then the only version of LR that runs on those is 5.7.1.