1. Microsoft Flow Free

https://flow.microsoft.com/zh-cn/

2.SKU_Dynamics_365_for_HCM

https://signup.microsoft.com/signup?sku=HCM

3.Microsoft Stream 试用版

https://signup.microsoft.com/signup?sku=stream

4.商业版应用

https://admin.microsoft.com/SubscriptionDetails?OfferId=295ED06D-E2A7-4F12-ACA4-5C181C970E9F

5.Microsoft PowerApps Plan 2 Trial

https://powerapps.microsoft.com/en-us/pricing/