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The Forums application provides an intuitive rating experience through a five-star scale. Your choice of five stars means the highest rating for the topic.
Go to the topic you want to vote.
Click on the Action bar.
The Rate This Topic form will appear.
Rate the topic by clicking the star. The number of selected stars will be changed from grey into yellow.
Clickto quit the form.
Each user can only vote for a topic once. The function is disabled in closed topics and with banned users.