How to change Thumbnail Size

How to change Thumbnail Size

You can change the size and quality of the shell's thumbnails.

Start regedit,

expand HKEY_CURRENT_USER (only for you)
or

HKEY_LOCAL_MACHINE (for all the users in this computer)

and in Software – Microsoft

– Windows – CurrentVersion – Explorer, add or modify the following entries:

• ThumbnailSize – Double Word, decimal value between 32 and 256

• ThumbnailQuality – Double Word, decimal value between 50 and 100