The only legitimate way to use SmartDraw without an immediate purchase is through their official trial program: 7-Day Free Trial : SmartDraw offers a 7-day trial
Software companies use unique, encrypted keys to activate products. Most "free keys" found on public forums or "keygen" websites are: Already blocked: smartdraw free license key
Purchase a legitimate license key from SmartDraw or use their official free trial to ensure compliance with their terms of service and to receive official support. The only legitimate way to use SmartDraw without