There's no denying, January is the most depressing month of the year. Christmas is over but it's still freezing and summer seems a long way off, plus we've all spent way too much over the festive period and have to think about cutting back. Well, McDonald's are here to help - provided you're not doing Veganuary - as they are offering FREE cheeseburgers all this week, to absolutely everyone!Yep, there's no catch - all you have to do is download a free app and there's no purchase necessary! Check out the video above for all the details on how to claim your free cheeseburger - and hurry, the offer ends this Friday! Image source: Getty Images