If you're hesitant to use a keygen or prefer a more official approach, consider the following alternatives:

Software developers constantly release updates to fix bugs and patch dangerous security vulnerabilities. Cracked software cannot be updated. Connecting a pirated version of AutoCAD 2013 to the internet will trigger a license validation check, causing the software to lock up or deactivate entirely. This leaves your system permanently vulnerable to exploits. 4. Legal and Professional Consequences