Adobe stopped selling perpetual licenses after CS6 (2012). However, some resellers offer legitimate, unused CS6 licenses. CS6 is outdated and lacks modern features, but it’s legal and portable in the sense that it doesn’t require a subscription.
Websites offering the “After Effects CC 2019 16.1.35 x64 Portable” often make the following promises: adobe after effects cc 2019 16135 x64 portable
Adobe After Effects CC 2019 16135 x64 Portable: Technical Overview, Legal Considerations, and Security Implications Adobe stopped selling perpetual licenses after CS6 (2012)