Write an article based on this "Click the Start button. Click the “Activate Windows now” link at the bottom of the window. Select “Show me other ways to activate” from the Activation menu. Enter your Windows 7 product key at the prompt. Click . Select the location that is closest to you. Call the number. Use your phone’s keypad to enter your Installation ID. Write down the confirmation number. Enter the confirmation number into the activation window and click ."
Right-click on Computer and select Properties. This will open the System Properties window. You can also press ⊞ Win+Pause.   You must enter a valid 25 character key in order to activate your copy of Windows. Your product key may be located underneath your laptop, on the back of your computer case, on the disc case for your Windows 7 installation DVD, or in the Windows 7 manual.  If you downloaded the software online, then you will find it in your confirmation email. If you cannot find your product key, you may need to purchase a new one. Next. Select the “Use automated phone system” from the list of options. You may be prompted to enter an administrator password. If so, enter the password, and click OK. You will be given a list of numbers that you can call, and an installation ID number will be displayed in the window. You will be connected to an automated system that will guide you through the activation process. You will be prompted for the installation ID that is displayed on the screen.  After you have entered the installation ID, you will be provided with a confirmation number. Write it down or type it into Notepad. Next. If the activation doesn’t work, you can stay on the phone to speak with a Microsoft support member.