How do you know if you really win a sweepstakes? First, verify the source of the notification; legitimate wins typically come from official channels, not unsolicited emails or messages. Check for any required documentation or confirmation, as reputable sweepstakes will provide clear instructions. Additionally, be cautious of requests for personal information or fees, as these can be red flags. Ultimately, how do you know if you really win a sweepstakes? Trust your instincts and do your research to ensure your prize is genuine.