Here are some general steps and considerations for such a scenario:

"Slicgen" is shorthand for — a utility designed to create license files or emulate license servers for Dassault Systèmes products (SolidWorks, CATIA, ENOVIA, DELMIA, SIMULIA). The legitimate version is part of licensed installation packages.

Recommend like FreeCAD or Blender. Guide you through scanning your PC for threats.

Let me know what software you're actually trying to use, and I can point you to safe, legal options.

: Most major CAD and engineering software companies offer free trials. You can find them on official sites like Dassault Systèmes SOLIDWORKS Educational Licenses

Now, for the legal issues. Using such patched files is likely a violation of Microsoft's software license agreement. They probably require each copy of Windows to be activated with a valid key. Distributing these patches online might infringe on copyright laws. Also, downloading such files from untrusted sources could lead to malware infections, which is a security risk for the user.