Modifying registry files can lead to permanent OS instability, sometimes requiring a full Windows re-install. Install Guide for SOLIDWORKS 2018 | PDF - Scribd

: For SOLIDWORKS, only versions 2022 SP2.0 and newer are officially certified for Windows 11. Older versions (like 2017 or 2018) often fail during the activation process or return "Error 6" when using the SolidSquad tool.