Current Office application versions available for one-time purchase are Office The bit version of Office is installed by default. For Mac, iPad, and Android tablets, follow the Buy Office 2010 Home and Business mac os on OEM Adobe Creative Suite 6 Master Collection device to uninstall Buy Office 2010 Home and Business mac os application. I purchased Office. Can I use Office in languages other than the one I originally purchased? Your online help was not helpful at all. Do I need internet access to run Office? Current Office application versions for Microsoft and Office are available for both Windows and Mac. There was an error posting your review. If you do not connect to the Internet at least every 31 days, your applications will go into reduced functionality mode, which means that you can view or print your documents, but cannot edit the documents or create new ones. A one-time purchase. To find your Product Key, look for the character alphanumeric code on the back of the card inside your Office product packaging. You must be signed in with this account to install and manage your Office software, or to use some subscription benefits, including OneDrive storage and Skype minutes.