How to change scroll bar size in Windows 7?

  • 2
    Increasing the DPI will increase everything size (including scrollbar) – anon31097 Mar 15 '10 at 13:20

Right-click on desktop and select Customize. Click on Window Colors and then Advanced settings. In he drop-down list choose scrollbar (or click on the scrollbar in the picture) and finally change the size.

(Sorry if any comand is differently named - I'm not using an english version of Windows).


Personalize is the word in the USA version as opposed to Customize. Click on Window Color>Advanced Appearance Settings> Under 'Item' select Scrollbar.

  • You had it close enough. :-) It's "personalize" instead of "customize". – Chris Dwyer Mar 15 '10 at 18:25

Go to Start > Run, and type Regedit.

Navigate to HKEY_CURRENT_USER > Control panel > Desktop > WindowsMetrics.

[HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics]



Values are expressed in twips and must be negative, as explained on TechNet.

  • 4
    An explanation of what -355 means would be nice. – foraidt Mar 15 '10 at 15:54

There is another way but it involves you using cmd and replacing system files. If I'm right you are trying to modify the scrollbar.

You can take the explorerframe.dll from Windows 8. Come back to Windows 7 and open CMD and type:

  • cd windows
  • takeown /f exploreframe.dll
  • Then go to C:/windows/system32
  • Look for explorerframe.dll
  • Back it up and then replace the Win 8 dll into the system32 directory
  • Restart

If you wanted to, you could try and replace the explorer.exe just replace the explorer.exe instead of the dll one in the cmd.

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