Explanation
Graphical user interface, text, application Description automatically generated

Box 1: Business rule
You can create business rules and recommendations to apply logic and validations without writing code or creating plug-ins. Business rules provide a simple interface to implement and maintain fast-changing and commonly used rules.
Box 2: Power Automate flow
Trigger the Power Automate flow with "When a record is updated", then add a Condition in the flow and configure it with Status Label equals to Won.
Reference:
https://docs.microsoft.com/en-us/powerapps/maker/data-platform/data-platform-create-business-rule
https://www.inogic.com/blog/2021/12/how-to-win-lose-dynamics-365-crm-opportunity-through-power-automate