1, or are you trying to troubleshoot a in this version? Want old version of premiere pro - Adobe Community
Find and click the three dots (...) next to "Open". Select Other Versions and choose 15.1 from the list. Adobe Premiere Pro 2021 v15.1
Microsoft Windows 10 (64-bit) version 1909 or later, or macOS v10.15 (Catalina) or later. How to Install Older Versions 1, or are you trying to troubleshoot a in this version