If you don't want to install software, you can use web-based converters like CloudConvert . Upload your files to the site. Select as the output format.

Download the resulting b-Dead.rar once the process finishes. Comparison: RAR vs. ZIP

The most common way to create RAR files on Windows is through , a dedicated compression utility.

: Right-click the folder or file you want to compress and select "Add to archive..." .