How to make Windows 10 taskbar thumbnail previews bigger? [duplicate]

Solution 1:

You can do this without any external programs by modifying the registry. According this video on how to Make Windows 10 Taskbar Thumbnails Bigger:

1. Open registry - Win + R and type regedit

2. Go to path:

   HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Taskband

3. Add new DWORD 32 Bit Value:

   • Key: MinThumbSizePx
   • Value: Number of pixels anywhere less than 500.
   • Note: Choose Decimal to set the number of pixels in integers, or convert to hexadecimal

Restart Explorer

To see the changes take affect, you must restart explorer with any of the following methods:

1. Longest - Restart Computer
2. Medium - Log off and then log back on
3. Shortest ³
   1. Ctrl + Shift + Right Click on Taskbar
   2. Select 'Exit Explorer'
   3. Pull up Task Manager (Ctrl + Shift + Esc)
   4. File > 'Run New Task' > Type explorer
   5. Voila! You've restarted explorer

You can also save the following as a .reg file and double click on it:

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Taskband]
"MinThumbSizePx"=dword:15e ; 350 (px)