Adobe actively tracks piracy. While they rarely sue individual users, they can and do:
Adobe provides extensive tutorials, guides, and a supportive community to help you get started and advance your skills.
Premiere Pro CC 2020 is designed to help video editors and content creators produce high-quality video content quickly and efficiently. It offers a wide range of features, including:
A simplified but powerful version of Premiere. It supports 4K, basic color grading, titles, and effects. No subscription. Great for YouTubers and hobbyists.
Both are completely free, open-source, and malware-free.