There are three primary ways to adjust icon size in Windows.
This changes the size of everything on your screen, including icons and text. change desktop icon size
Suddenly, the icons ballooned. His folders were now massive, friendly yellow blocks he could see from across the room. It felt like he’d put on a pair of glasses for the first time. But then he realized they were too big—his screen felt crowded, like a room filled with oversized furniture. He went back to the menu and selected Perfect. There are three primary ways to adjust icon size in Windows
This is the best method for "custom" sizes. While on the desktop, press and hold the Ctrl key and scroll your mouse wheel up (to enlarge) or down (to shrink). His folders were now massive, friendly yellow blocks
Wanting to show off, he discovered one last secret: holding the while scrolling the mouse wheel . He watched the icons grow and shrink smoothly, like a tide coming in and out, until he found the exact pixel-perfect size for his soul.