Microsoft now requires all installed copy of Office 2010 to be activated, including licenses sold through volume licensing. So, the rearm function in Office 2010 is actually provided for the convenience of corporate customers. Microsoft allows in total 5 rearm of Office 2010, where after reset, added 30 days of free usage is allowed without activation. If the rearm is timed correctly at the last day of current 30 day cycle’s end, theoretically, the 5 rearm can extend the free usage of Office 2010 up to 6 months or 180 days. To rearm Office 2010 and get another 30 days of free usage, simply, run the OSPPREARM.EXE command file at the following folder: %Program Files%\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\ You can open a command prompt window (Windows 7 or Vista users should open an elevated command prompt window), and type the following command: C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPREARM.EXE If you are using 64-bit Windows OS and have installed 32-bit Office 2010, then you will need to run the following command in command prompt: C:\Program Files (x86)\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPREARM.EXE And the path of the file is located at: %ProgramFiles(x86)%\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\ Source: How To Use Microsoft Office 2010 for 180 days Free without Activating?
