To create a Test Tenant
Go to any search engine it might be Google, Chrome, Bing, etc.
type Office 365 E3 trail Click
Then will get many options to choose, have to choose Office 365 E3 trail
Then click on Office 365 E3 trail
Then the Microsoft page will open
Step 2:It shows like tocreate a new account. For that click on set up an account once we fill the details click NEXT.
Step 3:Enter the details as shown
Click Next.
Note: The phone number is mandatory
Step 4: Click the conformation details and sign in.
Setup password and click NEXT.
Step 5:Confirm the address details AND Click SAVE
Step 6:Enter the Registration details and click save.
Now you can see the E3 license