Go to office.com/setup and sign rein with an existing or new copyright and then enter your product key to redeem it*. Redeeming your key is what adds your copyright to Microsoft 365 and you only have to do this once. Can I install Microsoft 365 on my iPhone https://louisijlmm.p2blogs.com/30247734/5-einfache-techniken-für-zertifizierter-microsoft-gold-partner