How to read registry key in UFT......?

'Create a shell object
Set WshShell = CreateObject("WScript.Shell")

'Read the value of key from the registry
bvalue = WshShell.RegRead(varpathofkey)

'in above function we have to pass the path of key in registery.
e.g. HKCU\Software\ie\settings

msgbox bvalue


How to read/write a value in the registry key....?

In some scenarios for troubleshooting/workarounds it is requested to modify the value of a registry key. If this modification is necessary to be perform in more than one machine.

Dim WshShell
Set WshShell = CreateObject("WScript.Shell")

WshShell.RegWrite "HKCU\Software\Mercury Interactive\QuickTest Professional\MicTest\Packages\WebPackage\Settings\IgnoreHiddenFrames", 1, "REG_DWORD"


Nothing = WshShell

Note:
Where "IgnoreHiddenFrames" is the key to modify. The value to write is "1" and the type is "Dword"

Example: 

in case you need to read the value, before modifying it. 

Dim WshShell
Set WshShell = CreateObject("WScript.Shell")

WshShell.RegRead "HKCU\Software\Mercury Interactive\QuickTest Professional\MicTest\Packages\WebPackage\Settings\IgnoreHiddenFrames"

Nothing = WshShell