If you need After Effects CC 2020 specifically, Adobe does offer a way to use it for 7 days.
By default, Adobe offers the current version (CC 2024/2025). To get CC 2020, you would need to use the "Other Versions" dropdown in the Creative Cloud app. However, as of 2024, Adobe has removed CC 2020 from most new trial accounts, pushing users to version 24+. Adobe After Effects CC 2020 Free Download
Adobe officially discontinues older versions on their Creative Cloud desktop app to push users toward the latest software. However, if you have a valid Creative Cloud subscription, older versions are sometimes available under the "Other Versions" tab in the app settings. If you need After Effects CC 2020 specifically,
: Included for free with the software, this allows users to create high-quality 3D text and objects directly within the After Effects workflow. System Requirements for Smooth Performance However, as of 2024, Adobe has removed CC