PC: Office 2013 versions of Word, Excel, PowerPoint, OneNote, Outlook, Publisher, and Access. Windows 7 or later required.
Mac: Office 2016 versions of Word, Excel, PowerPoint, and Outlook. Office 2016 for Mac requires Mac OS X 10.10 or later. Office for Mac 2011 requires Mac OS X 10.6 or later.
Windows tablet: Office 2013 applications (Word 2013, Excel 2013, PowerPoint 2013, OneNote 2013, Outlook 2013, Publisher 2013, and Access 2013) require Windows 7 or higher. Office Mobile apps (Word Mobile, Excel Mobile, PowerPoint Mobile, and OneNote) require Windows 10.
iOS: Office for iPad® and iPhone® requires iOS 7.0 or higher.
Android: Office for Android™ can be installed on tablets and phones that meet the following criteria: running Android KitKat 4.4 or later version and have an ARM-based or Intel x86 processor.