How to activate Office 2010/2013 for FREE using KMS license key

How to activate office 2010 2013 for free using kms license key

As you know, I am working on a project that supports people to activate their Microsoft software products using KMS license key. Many of you guys might be wondering why I only write guideline about the latest version of Office 2016 or Office 365. Is it possible to activate the older versions for FREE? The…