The "Icon size" slider in the View Options menu allows for precise scaling from
If you prefer more control, here’s the step-by-step: mac desktop icon size
You can quickly pull up these settings by right-clicking the desktop and selecting Show View Options or by using the shortcut Command + J . The "Icon size" slider in the View Options
: Change the font size for icon labels (ranging from 10 to 16 points ). mac desktop icon size