When you enter the key, you get a notification that is not the correct key. Sometimes you don’t want to purchase the Windows copy, you should try to free the product key. It is possible product key can be written on the CD/DVD.When you purchase windows copy you should be received the product key.When you install windows using CD, or DVD, the installation process will ask the product key.In this condition, you should follow two steps.

When you use the free version after some days you get a notification for activation.

When you install the window it asking the activation key.

Right now, there might be two situations. Users must enter the 25-digit code here and click the activation option. After completing the installation process key option show. When you can’t access the key using the internet you should phone verification for it. It can be used in two methods: first is using the internet and the second is using your phone. When you want to install the operating system this key is required for it. The product key is a 25-digit number code and it is also known as an activation code. In this article, I explain the Windows 7 product key which is needed for Windows 7 activation. Windows 7 operating system manages the hardware and software in a good way. This excellent operating system was developed by Microsoft and introduced on 22 July in the year 2009 with two editions 32 bit and 64-bit. Windows 7 provides a graphical user interface to the user and everyone can use it easily. It has several new and advanced features.

If you are looking at the Windows 7 product key then you are in the right place. Windows 7 is a private computer operating system.

Windows 7 ultimate activation key