Hi @Sumaira ,
1)What account i can use to sign up for this?
Anyone with a work or school account can sign up for the Power Apps Community Plan.
So if your outlook account is a work or school account , then you could sign up for this plan.
2)Also How long this will be available to me?
This plan is perpetually available, but only for learning and building your skills on Power Apps, Common Data Services, and Power Automate.
3)Will I be able to use all the functionalities which will be available in premium connectors as well?
Yes, you could use premium connector by using this plan.
However, please notice that this plan is only used for learning. So the feathers about sharing are all not supported.
The supported feathers:
| Functionalities |
Environment for individual use |
| Key features |
|
| Create and run apps |
Yes. You can create unlimited apps |
| Share apps* |
No |
| Use the Common Data Service |
Yes |
| Model your data using the Common Data Service |
Yes |
| Enterprise-grade administration of the environment and user policies |
Yes |
| Connectivity |
|
| Connect to Office 365, Dynamics 365, and other connectors |
Yes |
| Connect to cloud-based services like Azure SQL, Dropbox, Twitter, and many more |
Yes |
| Use premium connectors like Salesforce, DB2 and many more |
Yes |
| Access on‐premises data using an on-premises gateway |
Yes |
| Create custom connectors to connect to your own systems |
Yes. You can create unlimited custom connectors |
| Common Data Service |
|
| Create and run applications on the Common Data Service |
Yes |
| Model your data in the Common Data Service |
Yes |
| Create a database in the Common Data Service |
Yes |
| Create and use dataflows |
No |
| Management |
|
| Add co-workers as environment makers and admins |
No |
| Add co-workers to the database roles |
No |
| Supports data policies established by the Office 365 administrator |
Yes |
| Establish data policies for the individual environment |
Yes |
Here's a doc about this plan in details for your reference:
https://docs.microsoft.com/en-us/powerapps/maker/dev-community-plan
Best regards,