1. Launch Windows Registry Editor by typing regedit in Start Menu
2. Navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
3. Right click in the right-hand pane of Windows Registry and select New -> DWORD Value.
4. You need to name the new DWORD as “ExtendedUIHoverTime”
5. Double-click on the created DWORD to open it.
6. Select “Decimal” under “Base” and enter the delay time (in milliseconds) in the “Value data” field.
7. Click OK