How to Join LinkedIn with an Invitation
Click the Create my Profile button to proceed.
LinkedIn offers to import your contacts from your e-mail program. LinkedIn walks you through the steps of importing your address book, offering you the chance to connect to existing members of LinkedIn. If you like, you can click the Skip This Step link and come back to this after you create your account.
It might be tempting to start inviting friends and colleagues to connect with you right away, but you might want to work on your profile or think of a strategy first before flooding people's e-mail inboxes with invitations. You can always invite people to connect with you at any time.