This document pertains to HP and Compaq desktop computers that came with Windows 7, Vista, or XP operating systems.
Installation Id Windows 7 Activation Code
To help prevent software piracy, Microsoft requires that Windows is activated before it can be used as full-version software. There are two methods for activating Windows: Windows Product Activation and System Locked Pre-installation.
Windows Product Activation (WPA) sends an installation ID number to Microsoft before Windows is verified and then activated. WPA involves two numbers. One is an Installation ID (generated by entering a Windows product key) that the computer owner submits to Microsoft. The second is a Confirmation ID, assigned by Microsoft, and is used to activate the operating system’s software. This method is used when upgrading or installing a new Windows edition from disc (not HP System Recovery).
Windows XP Activation Problem with Blank 'Installation ID' when trying to 'Activate Windows by Phone' I reinstalled windows recently using the the OEMs (HP) CDs and the Product Key on the sticker of my machine. I have no network connectivity on the machine requiring activation. To install your key and activate windows: Click Start. Right click on Computer. A pop-up menu is displayed. Click Properties. The properties of Windows 7 are displayed. At the bottom of the screen, beside Product ID, click Change product key. The Windows Activation window is displayed. Beside Product Key, enter the new product key in the text box. How to Activate Windows 7. While Windows is typically set to activate automatically when you install it, you may find a time when you need to manually activate it. Activating Windows verifies that your copy of Windows is only being used by your computer hardware, which helps prevent piracy. If you’ve just upgraded your computer.
System Locked Pre-installation (SLP) takes place at the factory. No intervention is required to activate the operating system software before initial use. With SLP-activated systems, most of the computer's hardware can be replaced without needing to re-activate the software through Microsoft.
Manual Activation Windows 7
Most HP computers use System Locked Pre-installation to make it easier to set up the computer. However, if you decide to install a different Windows Edition on your computer, you will need to activate the new version of Windows. There may also be situations when Windows prompts you for product activation even though the product has already been activated.