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How to Change Taskbar Thumbnail Live Preview Hover Delay Time in Windows 10

information   Information
When you hover over the taskbar icon of an opened item (ex: Google Chrome), it will show you a thumbnail preview of its opened windows or tabs.

If you hover over the thumbnail preview of this item, it will instantly show you a live preview (peek) of only that item on your desktop. If you like, you can change the thumbnail live preview hover delay time to how many milliseconds you want instead of showing the live preview instantly. If you set a high delay time (ex: 1000000 milliseconds), it will effectively disable taskbar thumbnail live previews without having to turn off Peek at desktop.

This tutorial will show you how to change the taskbar thumbnail live preview hover delay time for your account in Windows 10.

Note   Note
You will need to have Peek turned on to have taskbar thumbnail live previews available.


EXAMPLE: Taskbar thumbnail live preview
Name:  Taskbar_thumbnail_live_preview.jpg
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Here's How:

1. Press the Win+R keys to open the Run dialog, type regedit into Run, and click/tap on OK to open Registry Editor.

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

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced

Name:  ThumbnailLivePreviewHoverTime-1.jpg
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3. In the right pane of the Advanced key, double click/tap on the ThumbnailLivePreviewHoverTime DWORD to modify it. (see screenshot above)
Note   Note
If you don't have a ThumbnailLivePreviewHoverTime DWORD, then right click or press and hold on an empty area in the right pane of the Advanced key, click/tap on New, click/tap on DWORD (32-bit) Value, type ThumbnailLivePreviewHoverTime, and press Enter.


4. Select (dot) Decimal, type in how many milliseconds (1000 milliseconds = 1 second) you want for the hover delay time, and click/tap on OK. (see screenshot below)
Note   Note
The default time is 0 milliseconds.

If you set a high delay time (ex: 1000000 milliseconds), it will effectively disable taskbar thumbnail live previews without having to turn off Peek at desktop.


Name:  ThumbnailLivePreviewHoverTime-2.jpg
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5. Close Registry Editor.

6. Restart explorer, or sign out and sign in to apply.


That's it,
Shawn