Enable Photoshop CS6

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I have moved my entire hard drive to a new iMac and CS6 is working but only for another 21 days. How do I continue to use i?  I do not want or need Creative Cloud.

[c.pfaffenbichler]

What is your exact OS version? 

»moved my entire hard drive« does not sound like proper installation so does Photoshop CS6 actually work with the new OS as of now? 

https://helpx.adobe.com/photoshop/system-requirements-old-versions.html

»I do not want or need Creative Cloud.«

A lot of people seem to misunderstand the issue; CC does neither mean one has to keep one’s files on the cloud nor that the programs cannot be used offline.