: Ensure you have a stable internet connection before downloading large archives to prevent file corruption.
: WinRAR is the industry standard for .rar files. Alternatively, the open-source 7-Zip can extract almost any compressed format. Download Lecture10 rar
: If the archive contains older document formats, tools like LibreOffice are often more successful at opening them than standard modern office suites. How to Download Lectures to a Computer (if Enabled) - Udemy : Ensure you have a stable internet connection
: Use The Unarchiver , which is a free, highly-rated tool available on the Mac App Store. which is a free