: Check for a Certificate of Authenticity (COA) sticker on the bottom of your laptop, inside the battery compartment, or on the top/back of your desktop tower.
Just when John was about to give up, he remembered that he had purchased the computer from a local IT company. He decided to give them a call and ask for help. The IT company sent one of their technicians to John's office, who arrived with a laptop and a few tools. windows home premium 7 product key
Enter your 25-character key and follow the on-screen prompts. Windows 7 to 10 product keys - Microsoft Q&A : Check for a Certificate of Authenticity (COA)
Once you have your product key, you can activate Windows 7 using these steps: Online Activation How to find Windows 7 product key on my pc? The IT company sent one of their technicians