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In a sea of dark/night themed windows, I find it very difficult to find where one window ends and the other begins as the borders are nearly invisible on my large 4K monitors.

In Registry Editor I have already navigated to

Computer\HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics

and set both "BorderWidth" and "PaddedBorderWidth" to -2730.

Surprisingly, this gives me a very large title bar, which is indeed helpful. However, the actual borders which I hoped to modify remain as obscenely thin as heroin-addicted anorexic supermodels from the 1980s.

How can I fatten them up?

Note: Through further experimentation I've discovered I am getting nice fat borders, but the problem is really that this border is INVISIBLE! And this is a bug which has existed since Windows 10!

See also: Is it possible to turn visible the invisible window's borders of Windows 10?

Brian Kessler
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  • Try a larger scale (Settings, Display). Otherwise I do not think you can do what you are trying to do. – John Jul 06 '22 at 13:55
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    @John, I just want to change the borders. I want everything else exactly as it is. – Brian Kessler Jul 06 '22 at 14:06
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    Indeed, this is my question too. In Windows 10 I used the Aero Lite theme to get my beloved plump borders, but it can't seem to get Win11's borders to eat more calories. – OsakaWebbie Jul 07 '22 at 01:27

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Sorry, you can not change the windows border width in Windows 11 (I have tested on version 22h2. Maybe Microsoft fixes this on a later version).


I have read it and read it again but did not believe it. I have tried by changing the classic registry entries PaddedBorderWidth & BorderWidth at HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics and then logging off or restarting. No difference. I have tried running Winaero Tweaker and tweaking (after enabling Aero Light Theme as instructed). No difference

ndemou
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  • "...(not until version 22h2 at least)." Are you hinting that it might get changed in the future? Thanks for reporting that Winaero Tweaker doesn't help - it was suggested to me on https://answers.microsoft.com/en-us/windows/forum/all/window-borders/e039f5dd-a84f-411b-a94a-02c24566fdfa but I never got around to trying it after all the other suggestions that didn't work. – OsakaWebbie Jan 08 '23 at 13:12
  • No unfortunately it's not a hint @OsakaWebbie – ndemou Jan 08 '23 at 20:22
  • Not sure why you thought 22H2 might change anything. I'm on 22H2 now and it still isn't possible. – McGuireV10 Aug 08 '23 at 09:15