Hi, I'm Bernard, a fellow Windows user. I'm happy to help!
I understand the issue you have. There is nothing to worry about. I am here to assist. To install your Office 365, kindly follow the steps below:
Go to this link: https://office.com/myaccount
Sign in to your account
Select the Office 365 you want to install and follow the prompts.
Or go to this link: https://m365.cloud.microsoft/apps
Sign in to your account > click install apps, then install your Office 365 subscription.