And yes, this means you can use something silly for your folder icon. But it can also be practical. Having an important folder a different color than the rest, or all of your folders different colors ...

A set of custom icons for the folder thumbnails in ... but you can make it larger and more convenient. Important: Customizing folder thumbnails requires using a third-party app called CustomizerGod.

Windows 10 makes it easy to make the icons in a folder larger or smaller. First of all, note that changing the icon size of files in a folder changes the size of all the icons in that folder.

And yes, this means you can use something silly for your folder icon. But it can also be practical. Having an important folder a different color than the rest, or all of your folders different ...