Open SolidWorks. If it crashes immediately, open the utility from your Start Menu first.

: Illegal activation scripts often modify your system's hosts file to block communication with official license servers. This can inadvertently open backdoors, exposing your local network to external intrusions.

I can provide specific registry adjustments or configuration steps based on your setup. Share public link

"Exclusive" activators usually attempt to modify system host files to block standard licensing checks or replace core application files, which frequently causes application instability, random crashes during 3D rendering, or severe data corruption. Overcoming Windows 11 Compatibility Challenges

Activate the software normally using your official serial number. Modern and Accessible Alternatives to Legacy CAD

Download a trusted hypervisor tool such as or Oracle VM VirtualBox .

Below is a post designed to inform users about the compatibility, risks, and legitimate alternatives for using SOLIDWORKS on Windows 11. SolidWorks 2016 on Windows 11: Compatibility & Risks Are you trying to get your legacy copy of SOLIDWORKS 2016 running on a brand-new Windows 11

The older SolidNetwork License Manager may fail to activate or fail to communicate with newer Windows 11 networking protocols.

If you are trying to run a legitimately licensed version of SolidWorks 2016 on Windows 11, you will likely encounter significant technical roadblocks due to operating system incompatibility. The Reality of SolidWorks 2016 on Windows 11

To activate SolidWorks 2016 on Windows 11, users may attempt to use an activator or a crack. An activator is a software tool that bypasses the licensing verification process, allowing the software to function without a valid license. However, using an activator is not recommended, as it may:

To ensure the software and its licensing components function correctly on a modern OS, follow these steps:

If you have a genuine SolidWorks license, contact Dassault Systèmes support or your reseller for upgrade options to a Windows 11‑compatible version.

Running legacy software like SOLIDWORKS 2016 on a modern operating system such as Windows 11 presents a unique set of challenges and opportunities for engineers, designers, and students. While SOLIDWORKS 2016 is a robust, mature platform, it was designed long before Windows 11 was conceived.

SolidWorks 2016 was originally designed for Windows 7 and Windows 10. Officially, Dassault Systèmes does not support SolidWorks 2016 on Windows 11.