The OneDrive desktop app isn't supported on Windows XP or Linux.OneDrive desktop app functionality is built into Windows 8.1. If you install the desktop app on a PC running Windows 8.1, Setup won't appear. A setting will be installed that lets you use Office to work on OneDrive documents with other people at the same time, but no other features will be installed.
With this app installed on all your computers, you'll have automatic access to the latest version of your files wherever you are. Your photos, documents, and other important files are available on your phone, tablet, PC, or Mac. It works with great apps you may already use. You can give these apps permission to sync, access, and save files to your OneDrive.