1. Download and install Free trial. DISCONECT INTERNET AFTER DOWNLOAD IS COMPLETE!
2. When asked to insert something, insert this:
400-45454545 OR 667-98989898 OR 666-69696969
128B1 OR 001C1
3. Click Next. (some message saying that the code may be right or not. Ignore this shit.)
4. Click OK or exit.
5. Click Next again.
6. Install product. Don't forget to configure what you want in AutoCAD!!!
7. Finish installation and exit. (Restart Computer after installation complete.)
8. Start AutoCAD.
9. Choose the Activate option.
10. Run As Administrator the "xf-A2011-32bits" or "xf-A2011-64bits."
11. Click Mem Patch. "Succeed" should appear and hit ok.
12. Copy the request code from AutoCAD into the Keygen.
13. Press Generate.
14. Copy Keygen activation code thing that is generated.
15. In AutoCAD, select Activate now or Insert Serial or something like that.
16. Paste Activation Code.
17. Click Next.
You now have full version of Autodesk AutoCAD and it is registered.