Make sure you've got the right icon type (right) for files Next, right-click and select Edit. Enter or copy and paste the following information: Windows Registry Editor Version 5.00[HKEY_LOCAL_MACHINESYSTEMWPAPos Ready]"Installed"=dword:00000001Save the file and shut down Notepad.
A file is just a text file that contains instructions on how to modify the Registry Double-click and click Yes when you're asked if you want to include this information in the Registry.
If you're preparing to reinstall Windows XP then you'll need to locate your copy of the Windows XP product key - also known as the CD key.
Normally this product key is on a sticker on your computer or located with the manual that came with Windows XP.
Previously called Windows Embedded POSReady, this OS is a special version of Windows XP designed for use in industrial systems, such as cash registers and ATMs.