Checking the product key of Windows XP is a simple process that can be completed in a few steps. The product key is a 25-character code that is used to activate Windows XP and verify that it is a genuine copy. Knowing how to check the product key can be helpful if you need to reinstall Windows XP or transfer it to a new computer.
There are several ways to check the product key of Windows XP. One way is to use the System Information tool. To do this, click on the Start menu and then click on Run. In the Run dialog box, type “msinfo32” (without the quotes) and then click on OK. In the System Information window, look for the “Product ID” field. The product key will be listed next to the Product ID field.