Hi Tanishq Shah,
Thank you for reaching out to us on the Microsoft Q&A forum.
You can start learning Power BI and SQL for Dynamics 365 Business Central without a work or school email by using https://www.microsoft.com/en-us/download/details.aspx?id=58494, which is free and doesn’t require sign-in.
Create a Microsoft 365 account: If you don’t have a work or school email, you can sign up for a free Microsoft 365 trial https://www.microsoft.com/en-us/microsoft-365/try. This will provide you with an organizational email that you can use to access Power BI Service.
You can also explore the https://www.microsoft.com/en-in/dynamics-365/, though some features may require a business email.
If you’re using Power BI Desktop, there’s no need for a work or school email—you can use the tool without signing in to the Power BI Service.
If you are still facing any issue, please let us know in the comments and where you are encountering this error along with the screenshot for reference. We are glad to help you.
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Thank you.