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How to Change Size of Caption Buttons in Windows 10

information   Information
In Windows 10, it is possible for you to change the size of caption buttons (minimize, maximize, close) to be smaller or larger.

Using larger caption buttons will also increase the height of title bars.

This tutorial will show you how to change the size of caption buttons and height of title bars for your account in Windows 10.

Note   Note
This will not affect the caption buttons for Store apps and any modern UI (ex: Settings).

EXAMPLE: Default and larger size of caption buttons
Name:  Default_size_of_caption_buttons.jpg
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Name:  Larger_caption_buttons.jpg
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Size:  48.7 KB

Here's How:

1. Open Registry Editor (regedit.exe).

2. Navigate to the key below in the left pane of Registry Editor. (see screenshot below)

HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics

Name:  Caption_Buttons_size-1.png
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3. In the right pane of the WindowsMetrics key, double click/tap on the CaptionHeight string value to modify it. (see screenshot above)

4. Enter a value between -120 (smaller) to -1500 (larger) for what you want, and click/tap on OK. (see screenshot below)
Note   Note
-330 is the default value.

The value uses the following formula: -15 x size you want in pixels.

For example: -15 x 22 = -330

Name:  Caption_Buttons_size-2.png
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5. When finished, close Registry Editor.

6. Sign out and sign in to apply.

That's it,