If you are a student or teacher, Adobe offers substantial savings. You can often get the entire Creative Cloud Suite, which includes After Effects, at a discount of over 60% to 70%. In some cases, it may even be provided for free by your educational institution.
and Creative Cloud for Enterprise subscribers may have access to previous versions. If you are on a teams or enterprise plan, check your Adobe Admin Console. If you are a student or teacher, Adobe
: New preferences to auto-save projects when starting the render queue. Minimum System Requirements (CC 2015) which includes After Effects