：从微软角度，官方路线是购买Microsoft 365个人或家庭订阅（包含云存储、安全更新和AI新功能），或购买目前仍在支持生命周期内的Office 2021、Office LTSC 2021（后者支持至2026年10月13日）等买断版本。
Yes—but not the ones you find on GitHub. A true product key for Office 2013 is a 25-character alphanumeric code purchased from Microsoft or an authorized reseller. These keys are unique, single-use, or limited to a few installs. No one uploads a genuine retail key to GitHub.
Q: What if I lose my product key? A: If you lose your product key, you can try to recover it by contacting Microsoft support or using a product key recovery tool.
When you purchase a copy of Microsoft Office 2013, you receive a product key that allows you to activate the software. However, over time, the product key may become invalid, or you may lose it. This can prevent you from accessing the full features of Office 2013.
Activating Microsoft Office 2013 via GitHub Methods: What You Need to Know
To obtain a legitimate product key:
Because Office activation is a one-time background process, malware authors hide XMRig (Monero miner) inside the activator. It runs silently, consuming CPU cycles and electricity. Laptops running these tools often suffer from overheating and drastically reduced battery life.
If you've lost your product key, don't worry! You can recover it using the following methods:
Input an official volume license key to reinitialize the internal software protection state machine: cscript ospp.vbs /inpkey:YC7DK-G2NP3-2QQC3-J6H88-GVGXT Use code with caution. Step 5: Trigger Manual Activation