So, even if you did find an OS Office download, you would still need a valid OS product key to install and use Microsoft Office 2011 for Mac.Įarlier all the six versions of Microsoft Office 2011 when they were launched they were only supposed to launch these all in the USD prices and then after they used to launch in the Indian market in the currency of the Indian rupees. This unique number is required during the installation of Microsoft office os. In many ways, what you actually pay for when you legally purchase a copy of Microsoft Office is the product key (sometimes referred to as a CD key or key code, or incorrectly as the serial number. Microsoft won’t provide code fixes to resolve non-security related problems.Microsoft won’t deliberately prevent you from connecting to the service, but the quality of your Office 365 experience may diminish over time.