Because the application is "web-launched" You always get the most recent version without having to do anything special.
If the Desktop App won't work, Read this FAQ entry.
After download, look for this Shortcut on your desktop:
Use the Desktop App for fast and powerful access to your My Docs Online Account
The My Docs Online Desktop App combines the best features of our browser, web folder, and older desktop clients - all in a single, powerful tool. Upload and download multiple files and folders. Create, Delete, Rename. Move or Duplicate files and folders. View a file. File Locking for any file type. Search for files and folders. "Remember Me" and "Open Last Folder at Startup" make login faster. Watch the video, above. DOWNLOAD the Desktop App Now