bet365 is legal in many European countries (including the UK, Germany, etc), the US (only in New Jersey, Colorado, Ohio, Virginia, Kentucky, and Iowa), Canada, a lot of Asian countries (Japan, Thailand, Singapore, etc.), and Brazil. Select a server in your home country and connect.
Under the Gambling Ordinance, all gambling activities are illegal except: those expressly authorised by the government under the Betting Duty Ordinance (ie, authorised horse racing, authorised football betting and the Mark Six Lottery);