Adobe does not offer "Adobe After Effects 2020" as a permanently free software. There are two primary ways to access it:
Adobe After Effects version is a specific update released in March 2020 as part of the Adobe After Effects 2020 cycle . While this version is still widely searched for due to its stability on older hardware, users should be aware of official versus third-party download methods. Technical Overview Version: 17.0.5.16 (March 2020 release). Adobe After Effects 2020 17.0.5.16 Free Download
Enhancements to removing objects from video clips. Adobe does not offer "Adobe After Effects 2020"