Turn off the display of thumbnails and only display icons.

Supported on: At least Windows Vista

Registry

HKCU Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Value name: DisableThumbnails

Enabled: DisableThumbnails = 1

Disabled: DisableThumbnails = 0

Description

This policy setting allows you to configure how File Explorer displays thumbnail images or icons on the local computer. File Explorer displays thumbnail images by default. If you enable this policy setting, File Explorer displays only icons and never displays thumbnail images. If you disable or do not configure this policy setting, File Explorer displays only thumbnail images.