There are many situations where you just want to have trail environment to try somethings on Dynamics 365 Finance and Operations. Microsoft is amazing and offers trail environments to support learning and exploring but the steps to reach the point of having a trial environment has changed over a period of time.
Have a quick look at the steps below:
Step 1: Open https://dynamics.microsoft.com/en-us/dynamics-365-free-trial/ Click on Finance and Operations
Step 2: Select Dynamics 365 Finance > `Request a demo
Step 3: Select Sign up for a free trial > Sign up now
Step 4: Enter your business email address and click on sign up
If you do not have a business email address, have a look at the video from Ana Demeny which includes the explaination for creating a office 365 trail: https://www.youtube.com/watch?v=ORZStWldyQE&t=0s
Step 5: Verify your identity with Multi factor authentication
Step 6: Create a Microsoft account if needed
Step 7: Skip this step for now. There is an option to add additional profiles to your trials environment.
Step 8: You will see the below screen while Microsoft is busy provisioning your environment.
Take a cup of coffee and relax!
All the best exploring Dynamics 365 Finance and Operations!