Trial and ImplementationFree Trials
•Power Apps
https://signup.microsoft.com/Start?sku=powerapps_viral&ru=https%3a%2f%2fweb.powerapps.com%2flogin%2fportal
•Power Automate
https://preview.flow.microsoft.com/manage/
•Power Virtual Agents
https://go.microsoft.com/fwlink/?LinkId=2108000&clcid=0x409
Power Apps, Power Automate and Power Virtual Agents Licensing Guide - June 2021.pdf
https://download.microsoft.com/download/9/5/6/9568EFD0-403D-4AE4-95F0-7FACA2CCB2E4/Power%20Apps,%20Power%20Automate%20and%20Power%20Virtual%20Agents%20Licensing%20Guide%20-%20June%202021.pdf