Nancy OShea • Adobe Community Professional, Nov 17, 2020
#1 You need a PAID Creative Cloud ALL Apps plan.
#2 You must check the box to Show Older Apps in your CC Desktop Preferences. Avatar > Preferences > Apps > Settings.
If you're on a Teams/Enterprise plan and your company policies permit you to have discontinued software, contact your IT dept. Your plan admin will need to create a custom package for you.