Can i upgrade Office 2019 professional plus to office 2021 professional plus?

[s5ean]

Hello, I just purchase an office 2021 product key from softkeyworld, currently, I am using office 2019 professional plus, Do I need to re-install office 2021 or how can I upgrade it from office 2019 to office 2021?
Thanks

 

[Milycyrus1]

Hello, I just purchase an office 2021 product key from softkeyworld, currently, I am using office 2019 professional plus, Do I need to re-install office 2021 or how can I upgrade it from office 2019 to office 2021?

Do you find any great solution to this problem?