There are a few methods to reset the Bitdefender Total Security trial:

: Files claiming to "reset" security software are frequently used to deliver trojans or ransomware. Account Bans

Standard trial accounts expire exactly 30 days after activation.

Technically, there is within the software or the Bitdefender Central dashboard. Bitdefender’s trial period is tied to your Bitdefender Central account and your device’s unique hardware ID. Why "Trial Reset Tools" Are Risky

Only advanced users with sandbox environments should touch these. For normal users, avoid at all costs .