If you just want a cool mouse while surfing the web, extensions like Custom Cursor for Chrome are a much lighter, safer way to play with the aesthetic.

You can adjust the colors, shadows, and transparency of almost any cursor theme. The Review: Why the ".rar" Version is Risky

It’s incredibly satisfying to see a smooth, 3D-rendered cursor that feels like it belongs in a sci-fi movie.

Many sites offering .rar downloads for paid software bundle them with "extras" you don't want, like adware, browser hijackers, or worse. Since CursorFX integrates deeply with your system UI, a malicious version can cause stability issues or "blue screens."

Download the base installer from Stardock .

This is the official community hub where you can download thousands of safe, user-created cursor themes to use with the app.

If you want the cool looks without the risk of a shady .rar file: