Regarding the "full crack" aspect, I must emphasize that using pirated or cracked software is not recommended. Not only is it potentially illegal, but it can also pose security risks and compromise the integrity of your CAD software.
By doing so, you can enjoy the benefits of BetterWMF while working efficiently and effectively with your CAD software.
If you're interested, I can write a detailed guide on using legal methods, including free workarounds, batch processing scripts, and safe open-source alternatives. Would that be helpful to you instead?
: You lose access to bug fixes and compatibility updates for newer versions of Windows or AutoCAD.