There are many guides out there for this exact step. I only recreated this so all the content is on one page under my control.
Open a browser in private mode
Open Dynamics 365 Trials
Click the “Sign up here” !!
If you are a customer, click “no, continue signing up”. If you are a partner you should look for different places to create demos. Head on over to CDX Expereiences
It doesn’t matter what you choose here. If you ever turn this into production, the domain name will be something you can change at a later time.
Continue proving you are not a robot, and then wait for everything to finish up.
Start the setup when it’s done. Doesn’t matter what you choose in your setup of apps. It usually installs everything anyway. Eventually you will end up here, and you can open Customer Service HUB:
We have now completed the first step, and created a new trial for Customer Service.
With out Exchange added to your trial we won’t get far. Open https://admin.microsoft.com
Start “Get Free Trial”, and click the next next etc etc.
Back in the portal you want to open users, and locate your user. Choose the Microsoft E3 subscription and attach this to your contact. Remember to click “SAVE CHANGES” in the bottom when you are done.