How to Easily Resize Desktop Icons In Windows 7 – 8.1 – 10
You can increase and decrease the size of your desktop icons in Windows 7 using CTRL + Mouse Scroll.
1. Click on an empty area in the desktop. To make sure that there is nothing selected.
2. Using your keyboard, press and hold the CTRL button, then using your mouse wheel, roll it forward to make the icons size larger, or backward to set the icon size smaller.