It’s totally free. Offers Keys for following window versions and software: • Microsoft Office 2007 • Office 2003 • Office XP • Windows 10 • Windows 8 • Windows 7 • Windows Vista • Windows Server 2003 • Windows XP • Windows 2000 • Windows ME • Windows 95,98 • Several non-Microsoft programs 2: KeyFinder Thing Keyfinder Thing Will give you hidden product keys and serial numbers by finding them in the windows registry. Advantages comprise of • Small program size • Nothing to run • with the support of huge list of (non-Microsoft programs) Offers Keys for following window versions and software: • Microsoft Office 2007 • Office 2003 • Office XP • Windows 7 • Windows Vista • Windows 2003 Server • Windows XP • Windows 2000 3: Belarc Advisor the capability of extracting product keys for several software programs. Advantages comprise of: • A display of information in your browser window • No necessary toolbars Offers Keys for following window versions and software: • Microsoft Office 2013 • Microsoft Office 2010 including all previous versions • Microsoft enterprise products • Adobe programs • Nero • Trendy video games Key Generator If any of the above methods do not work for you, don’t be disappointed! Here is another way. You can use KEY GENERATORS to activate office 365 for free. Key Generators are online softwares that provide you with such a platform through which you can easily generate keys.