Modify the preview times of Windows Aero Peek Desktop

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Aero Peek is a new feature in Windows 7, so if you have a lot of open windows on your desktop, it’s easy to lose sight of them. If you want to change the preview times of Aero Peek Desktop to make them faster or slower, you can do so as follows.

in start search and hit enter to open Registry Editor.

Change Aero Peek desktop preview time

February 2021 Update:

We now recommend using this tool for your error. Additionally, this tool fixes common computer errors, protects you against file loss, malware, hardware failures and optimizes your PC for maximum performance. You can fix your PC problems quickly and prevent others from happening with this software:

  • Step 1 : Download PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista – Microsoft Gold Certified).
  • Step 2 : Click “Start Scan” to find Windows registry issues that could be causing PC problems.
  • Step 3 : Click “Repair All” to fix all issues.


Navigate to the following key :


Right-click in the right pane > New > Select DWORD (32-bit) value.

Name this DWORD as DesktopLivePreviewHoverTime.

Double-click now.

selection Decimal value and time entry in milliseconds. The default value is 1 s or 1000 ms. You can try 500 or 2000 and see what suits you best.

If you change your mind, just delete this particular key and things will return to the default value.

Alternatively, you can use Desktop Peek Tweak.

RECOMMENDED: Click here to troubleshoot Windows errors and optimize system performance

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