Apple - Change finder thumbnails size
In any folder or window (including Desktop) simply press : CMD+J
If the Status Bar is showing (View > Show Status Bar), then you can use the slider in the bottom-right corner to adjust the thumbnail zoom.
In any folder or window (including Desktop) simply press : CMD+J
If the Status Bar is showing (View > Show Status Bar), then you can use the slider in the bottom-right corner to adjust the thumbnail zoom.