SolidWorks 2018 is on Windows 11. Official support for Windows 11 only begins with SolidWorks 2022 SP2.0.
The term "SolidWorks 2018 activator for Windows 11" might also refer to third-party tools or cracks that claim to activate the software. : Using cracks or unauthorized activators poses significant risks, including: solidworks 2018 activator for windows 11
You're looking for information on SolidWorks 2018 activator for Windows 11. Here are some key points: not officially supported SolidWorks 2018 is on Windows 11