Hello @globaler Administrator GA,
please take a look at the documentation "Try or buy a Microsoft 365 for business subscription" to see if it helps you get a trial license.
Try or buy a Microsoft 365 for business subscription: https://learn.microsoft.com/en-us/microsoft-365/commerce/try-or-buy-microsoft-365?view=o365-worldwide
If this is helpful, please accept the answer. Thank you.