If you don't claim the offer at the time of your first deposit, you can do so at any time within 30 days of registering your account. Simply log in to your account, go to the Account menu, choose My Offers then click Claim Now for the relevant offer.
Bet365 boasts one of the best welcome offers in the industry. It grants new users the opportunity to create an account, place an opening wager of at least $1, and receive a $200 bonus, win or lose.