Before opening any unknown archive, you should check it for malicious content:

The official tool for .rar files, which allows you to "Preview" files before extracting them.

If you have this file and want to know what's inside, here is how you can safely investigate it:

Used in forums or communities to keep the actual content "hidden" from search engines.

To view the contents without fully "installing" everything, you can use standard extraction tools:

A popular, free, open-source alternative available from 7-Zip.org that can open and extract RAR archives.