so if you are using Windows XP must Upgrade windows to Windows 7 or Windows 10 then you can get the best experience of MS office 2016 so iF YOU ARE USING 32-bit Processor than you must use the 32-bit operating system then install the MS Office 2016 and activate it by Office 2016 Activation key. So If You Are Using MS Office 2016 so You Need To Activate The features and All Stuff You Must Need The Microsoft Office 2016 Product Key Or MS Office 2016 Activation Or Serial Key and From This Product Key Or Serial key You can Activate The Office 2016, Microsoft Word 2016, MS Powerpoint 2016, MS Outlook 2016, MS Outlook 2016 and MS Excel 2016, etc.