: Right-click the sw2018_network_serials_licensing.exe (or similar name) in the SolidSQUAD folder and select Run as Administrator .

: Confirm that .NET Framework 3.5 (which includes 2.0 and 3.0) and 4.7 are installed via the Windows Features menu in the Control Panel.

For users who require SolidWorks for legitimate purposes but cannot afford a commercial license, there are authorized alternatives that do not require the use of unauthorized activators: