On a laptop, check the underside or the battery compartment. On a desktop, look for a Certificate of Authenticity (COA) sticker on the case. Retail Box: Inside the original packaging on a label or card. Microsoft Support 2. Extend Evaluation Period (Trial Reset)
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: Look for a COA sticker on your PC chassis or inside the original retail box. Troubleshooting Activation Errors On a laptop, check the underside or the battery compartment
After entering the product key, users would proceed with the activation process, which could be done online or by phone, depending on the options available. On a laptop