Documents To Go v3 has been updated to "Docs To Go - Free Office Suite". This version allows you to edit Word, Excel and PowerPoint files for free!
You can use the link below to download "Docs To Go - Free Office Suite". You should download & install this even if you already have a version of Documents To Go on your device.
Download Docs To Go - Free Office Suite
If you'd like to purchase the Docs To Go Premium Key to get great features like Dropbox & Google Drive access, desktop sync and password protected files, just open Docs To Go on your device, then open the menu and choose 'Store'.