SolidWorks 2016 requires activation to ensure that users have a valid license to use the software. The activation process involves verifying the software's authenticity and unlocking its full potential. Without activation, users may face limitations in using the software, including restricted access to features and tools.
For those needing SolidWorks for learning or professional use, there are official, secure ways to obtain a license: SOLIDWORKS for Students: 3D CAD Software for Education