Microsoft Online Electronic Software Download (ESD) Support

Many Microsoft products and product upgrades can be purchased via a retail store or online, then downloaded to your computer as an Electronic Software Download. In addition to buying your Microsoft product directly from Microsoft, you may have purchased it from another company. Please select the appropriate issue below to get assistance:

I need assistance with downloading electronic software that I purchased from an Online Retailer.
I am unable to find my product key (25 character alpha numeric product key) or my product key did not work.
I need assistance installing a downloaded product or I've already successfully installed the product and need technical support.
I need assistance with my PIN (27 character alpha numeric PIN) .
None of the issues above describe my issue or question.
Last Review : February 19, 2013