You need to create a trial tenant in Office 365 for demo or testing purposes.
Microsoft provides a 25-seat trial tenant capability on the Office 365 E3 and E5 plans for an 1 month duration, without any obligations and without the use of a credit card.
You can initiate a trial tenant creation by using the links below
- Office 365 E3 trial – https://stefanos.cloud/O365E3
- Office 365 E5 trial – https://stefanos.cloud/O365E5
Microsoft also provides a quick link to all Microsoft 365 Service Descriptions via relevant comparison matrices at https://www.office365sd.com.