Downloading professional software from third-party "free" sites like Softfiler is generally discouraged for the following reasons:
Using unlicensed software violates Adobe’s terms of service and copyright laws. How to Get Premiere Pro Safely adobe-premiere-pro-cc-2021-free-download-softfiler
You can subscribe to Premiere Pro as a standalone app or as part of the "All Apps" plan. such as Typekit fonts
You lose access to Adobe Creative Cloud features, such as Typekit fonts, cloud storage, and libraries. adobe-premiere-pro-cc-2021-free-download-softfiler