Changing front and rear wiper blades on a Vauxhall (Opel) Zafira Tourer (gen C)

How to change a wiper blade, front and rear, on a 2013 Vauxhall/Opel Zafira Tourer aka generation C Apologies for quality, this is more to help a forum user than anything else! There’s always a risk doing your own car maintenance/jobs, so this is intended as a brief ‘how to’ - perform at your own risk :)