The fastest way to swap between standard sizes is the right-click menu: an empty space on your desktop. Hover over View in the context menu. Select Small icons .
: Like magic, the icons shrank in real-time. Scrolling up made them huge, while scrolling down made them tiny and precise. The Right-Click Menu
Windows offers three primary ways to reduce icon size: a quick preset menu, a customizable mouse wheel shortcut, and system-wide scaling.