Check the back of the DVD sleeve or the insert inside the box.
If you are determined to use CS6 rather than the modern Creative Cloud, you can sometimes find legitimate, unused boxed copies of Adobe Photoshop CS6 Extended on the secondary market (like eBay).
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Check the back of the DVD sleeve or
When launching Photoshop, select "Having trouble connecting to the internet" or "I cannot connect to the internet".
Uninstall Photoshop CS6 via Control Panel (Windows) or Applications (macOS). This link or copies made by others cannot be deleted
Adobe Photoshop CS6 Extended was a groundbreaking release in Adobe's creative suite, introduced in 2012. Even today, many users prefer its perpetual license model over modern subscription-based Creative Cloud models. However, because this software is now over a decade old, many users who installed older trials are now facing the frustrating "Trial Expired" message.
Finding a legitimate, working serial number for Photoshop CS6 online today is practically impossible for several key reasons: Try again later
: Adobe stopped selling and supporting CS6 licenses over a decade ago.
: If the trial screen persists despite having a valid key: Sign out and back in to the Creative Cloud desktop app.
Adobe CS6 requires online activation. When you enter a serial number, the software checks it against Adobe's database. If a key has been blacklisted, used on too many machines, or generated by unauthorized software, the server rejects it.
If you prefer the "pay once, own it forever" model of old software, excellent modern tools exist: