Twitter have made it really simple to create an account. Log on to http://twitter.com/ and click on the Sign up now link.
On the Sign up page you will see the following:
Email Enter your full name as normal. When you create a username you will want to choose a name that is as close to the name of your charity as possible.
People will be able to find your charity by typing http://twitter.com/username
When you have entered these details proceed. Twitter will now try to help you find people who you might know. Enter your email address and password and Twitter will do this automatically. Don’t worry, Twitter can be trusted.
For more help download our Twitter Guide.