For individuals and small businesses earning under a certain revenue threshold, Autodesk offers a significantly discounted "Indie" license.
If you're looking for a way to access 3ds Max 2018 for legitimate purposes, I recommend exploring the options provided by Autodesk directly. This ensures you're getting a legal copy of the software while also supporting the developers who create it.
The ethical implications of using cracked software should also be considered. By choosing not to purchase software legally, users are contributing to a culture that devalues intellectual property. This can have broader societal impacts, affecting the ability of software developers to continue innovating.