Retail Windows: If you have lost a product key for software that you purchased separately from your computer, or if your product key is not working, please call Microsoft.
Was this reply helpful? Yes No. Sorry this didn't help. Thanks for your feedback. I cannot seem to find my product key. This thread is locked. Microsoft has always made use of a product key for the activation of its operating system.
If you want to reinstall Windows, you will need to enter your serial number again. But how do you find this product key? Before downloads became the norm, software was sold on physical storage media, such as CDs or disks, from which the programs could be installed and launched. But since these media were often copied or lent out to friends or acquaintances, software manufacturers began assigning individual numbers to every copy sold.
This ensured that software could only be used once the purchased product key had been entered. But with the majority of software now available for download , the days of printed product keys on CD sleeves are long gone. Because operating systems come preinstalled when you purchase a desktop or laptop computer, you no longer need to make note of a product key to get started.
However, if your hard disk requires formatting because of malware or for performance reasons, you will need to enter the product key during the Windows 7 reinstallation, in order to be able to use the operating system. To find your Windows 7 key, no additional software is required. The next window to open displays the Windows Registry Editor. This is where Windows stores important settings for the operating system and for installed programs.
You will be able to see and edit all the values in the database, but you should not make any changes unless you are aware of the effects that they will have. This folder contains all the general Windows installation settings for the local computer.
If the computer is used by several people with different user accounts, all settings that are common to all users will be displayed in this folder. Click "Copy" to paste.
Or select other two options:. Mostly, the CMD command prompt requires inputting command lines to execute operations and make changes on target devices. If you are familiar with computer management, you can also apply CMD to find Windows 7 product key. Here are the steps:. Type Run in the search box and select to open the Run dialog. Windows Registry Editor is the other Windows built-in utility for managing computers.
Note that normally, we don't suggest that ordinary users turning to Registry Editor as it's a bit complex and a tiny mistake may cause the computer to malfunction. So please be sure that you'll follow the guide below carefully for finding Windows 7 product key:. Step 1. Type regedit in the search box and select to open Windows Registry Editor. Step 3. Open the search window, and type ProductKey and then click "Find Next".
Step 4. Find the key named ProductID and at the data section, your Windows 7 product key is lying there. So if you still can find the sticker, you can go and find the Windows 7 product key:. Some computer manufacturers will send the Windows 7 key inside the computer box. Normally, it's pasted on the product box or on the installation CD cover, or even on the computer case. If you purchased Windows 7 online, the Microsoft support team would send an email with the product key to you.
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