Google docs is a free online service that lets you create text documents, spreadsheets and presentations and store them on online servers. The advantage of this service is that you can access your files from any PC that has Internet access.
All you need to use Google docs is to have a Google or Gmail account:
To access Google docs:
Sign in to Google (same as you'll sign-in for your email account" and click on "More> Even More > Docs"
From this interface can create, import, share and organize your documents