Make it work smoothly
Premier Pro 2020 isn't working smoothly.
It does, for most users.
Please provide specifics of cases where it doesn’t run smoothly, and we can try to address those.
Kevin Monahan commented
Come to the forums for troubleshooting: https://community.adobe.com/t5/premiere-pro/bd-p/premiere-pro?page=1&sort=latest_replies&filter=all&topics=howto