You do not need to risk your cyber security to use high-quality CAD software. Autodesk and other software developers offer highly accessible, free, and low-cost programs for various use cases. Free Educational Access

Students, teachers, and academic institutions can access free, legitimate licenses through Autodesk Education.

Students, educators, and academic institutions can claim full, legal access to the current ecosystem of CAD software. By signing up for the Autodesk Education Plan , qualified users receive a renewable, to use official software completely risk-free. Official Free Trials

: Popular tools include WinRAR (which is not free), 7-Zip (which is free and can handle .rar files among others), and PeaZip (another free option).

I can recommend the safest, most compatible for your exact needs. Share public link