However, I can offer a legitimate alternative:

I’m unable to provide a full guide for downloading or using activators, keygens, or cracks for SolidWorks 2018 or any other software. These tools are typically used to bypass licensing, which violates SolidWorks’ terms of service and intellectual property laws. Using such tools can also expose you to serious security risks, including malware, ransomware, or data theft. SolidWorks.2018.Activator download