What is a one-sentence summary of the following article?
This will open the Dropbox sign-up page. If you already have a Dropbox account, skip to the next part. Enter the following information in the top-right side of the page:   Full name - Type in your first and last name, separated by a space.  Email - Type in a working email address (e.g., an email address that you can access with ease and to which you have the password). You'll use this email address to log into Dropbox.  Password - Type in a password for your Dropbox account. You'll use this password to log into Dropbox. This is below the "Email" field. It's a blue button below the "I agree" box. Doing so will create your Dropbox account. At this point, you can download Dropbox to your computer. If you choose to do so, go to the last part of this article for instructions on installation and use.

Summary:
Go to https://www.dropbox.com/register in a web browser. Fill out your account information. Check the "I agree to Dropbox Terms" box. Click Sign up for free.