Creating an account
To create your new Flow account, simply visit the Flow home page and enter your email address in the available field. You can also sign up with with a Google+ account by clicking "Sign up with Google+."
You’ll then be asked to check your inbox for the verification email that was just sent to you (this confirms that there were no typos in your email address during the initial sign up.) Click through the "Verify Your Email" button in the email to be redirected back to Flow where you’ll set up your Team and profile.
Here, enter your Team name and click Next.
On the next step you have the option to enter your company's email domain(s) so that anyone with those domains can visit a custom link to join the team. You can create a custom link for these users to join through in Team settings. You can also skip this step by clicking the "Skip this step" button.
You'll then be redirected into the app fill in a few basic profile details. Enter your full name and add a profile picture so that your teammates know who you are. Profile pictures are especially useful if you've got a few people with the same name on your team.