If you are downloading old files, scan them with updated antivirus software or run them in a Virtual Machine first.

When a web server is misconfigured or deliberately set to allow directory listing, it does not show a fancy HTML page. Instead, it displays a plain yellow-and-blue (or black-and-white) list of all files and subdirectories in that folder. The title of these pages is almost always "Index of /".

: Websites like DeviantArt host thousands of custom Windows 7 "Visual Styles" (which require system patching to use).

While searching for "intitle:index of" is a common advanced search technique to find open directories of files, it is rarely the most reliable way to find high-quality Windows 7 themes today. Instead, you can find a more curated and safer collection through established community galleries and official archives. Best Sources for Windows 7 Themes DeviantArt

The signature feature was translucent window borders with a "frosted glass" effect.