CS6 has not received security patches since 2014, making it vulnerable to modern exploits. Hardware Compatibility:
Adobe Photoshop CS6 Extended was the final version of Photoshop available as a perpetual license before Adobe transitioned to the Creative Cloud (CC) subscription model. If your trial version has expired, or you are facing a "trial expired" message on a previously licensed copy, here is the verified information on how to handle serial numbers and activation today. CS6 has not received security patches since 2014,
If you have a valid key but the software still shows a "trial expired" message: CS6 has not received security patches since 2014,