In case you are average user of Microsoft Office 2010 and need more time to get to know Microsoft Office 2010 then this free software can help. Microsoft Office 2010 needs to be activated after 30 days. It can be rearmed 5 times, every rearm gives you additionally 30 days to activate. If you always rearm it on the last day before it has to be activated that makes a total evaluation time of 6 * 30 = 180 days. That means that you can use Microsoft Office 2010 Trial software for 180 days with no problems.