Hello, I was using the D365 FO trial, and it was expired and when I am trying to extend it using the link given in the email, it is taking to 'Unified admin trials' Microsoft learn page.
You will need to "buy" a free trial. This can be done by an administrator in your tenant.
Once you have the trial license, you can go to the Power Platform Admin Center (PPAC) and deploy a trial environment: https://aka.ms/ppac
In case the Marketplace is not visible in your menu, you can go to Billing > Purchase services and search for "Finance". Then select the service offering a free trial.
PS. I think you won't be able to extend the current trial. A new environment will be deployed.
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