A free, web-based editor that looks and feels almost exactly like Photoshop. It can open .PSD files and is perfect for quick edits without installing software.

Adobe moved away from traditional serial keys years ago when they transitioned to the subscription model. Photoshop CC 2018 was designed to be activated through an Adobe ID linked to an active subscription, not a static 24-digit key.

Change your primary passwords, especially if you disabled your firewall to install the software.

They have already been blacklisted by Adobe's activation servers.

Run a full system scan with or Windows Defender.