Example from Windows 10's EULA: For software acquired from a retailer. Microsoft provides limited support services for properly licensed software as descri

Example from Windows 10's EULA: For software acquired from a retailer. Microsoft provides limited support services for properly licensed software as described at (aka.ms/mssupport). If you purchased the software from a retailer and are seeking a refund, and you cannot obtain one where you acquired the software, contact Microsoft for information about Microsoft’s refund policies. See (aka.ms/msoffices), or in North America, call (800) MICROSOFT or see (aka.ms/nareturns).