Most "serial keys" you find on public forums or keygen sites are:
Photoshop CC 2018 (version 19.0, though often confused with 18.x) was a popular release because it introduced features like the Curvature Pen tool and better brush management. However, because it is an older version, Adobe no longer officially supports it for download through the Creative Cloud desktop app, which usually only offers the two most recent versions. Safe Alternatives to Piracy Adobe Photoshop CC 2018 18.0 Serial Key -
Change your primary passwords, especially if you disabled your firewall to install the software. Most "serial keys" you find on public forums
If you have already downloaded a "crack" or entered a suspicious serial key, it is highly recommended to: because it is an older version
If you need Photoshop but don't want to risk your system’s security, consider these options: