How to Adjust the Size of Desktop Icons?
Right-click an empty area on the desktop
Select View
Choose Large icons, Medium icons, or Small icons
Hold Ctrl and scroll the mouse wheel up to enlarge icons
Hold Ctrl and scroll the mouse wheel down to shrink icons
On a Mac, click the desktop and press Command + J
Use the Icon size slider in the View Options window on Mac
On Linux, right-click the desktop and choose the icon size option if available
Open display or desktop settings if your system uses a different method