As you scroll, you will see the icons shrink in real time. Scrolling up enlarges them. This method offers several intermediate sizes between the standard "Medium icons" and "Small icons" views, giving you fine-grained control.

For many computer users, the desktop is home base—a launchpad for frequently used files, folders, and applications. But when those icons feel oversized, clunky, or take up too much screen real estate, they can hamper productivity and visual comfort. Fortunately, Windows offers several simple yet powerful ways to shrink your icons to a size that works for you. This essay provides a clear, step-by-step guide to making icons smaller, covering the desktop, File Explorer, and the taskbar, with solutions for both Windows 10 and Windows 11.

This is the most precise method. Go to your desktop, hold the Ctrl key , and scroll down on your mouse wheel to shrink icons to any custom size.

How do I make my taskbar icons/items this small? - Super User

If you prefer precise control or don't have a mouse wheel:

If you want smaller icons inside folders without affecting the desktop, use File Explorer’s ribbon or toolbar:

Right-click an empty area on the taskbar and select . Toggle the switch for "Use small taskbar buttons" to On . Windows 11