For this article, I will show you how to register Office 365 E3 trial step by step.
First you need to go to follwiing link for Office 365 E3 trial.
Click on free trial
Click on "Create a new account"
Provide your private email address ad click next.
Click setup my accounts
Fill the anema and phone number.
Choose how to verify your phone number via Text me or Call me
Create your global admin account of office 365
Congrate! You are now can use the office 365 trial.
to start using office 365, go to https://www.portal.office.com and click on Admin
For next article, I will provide instruction on create users and group. thanks.