@Anonymous
First of welcome to the community..
Secondly I'm not sure why you are posting so many times..
http://forums.autodesk.com/t5/installation-licensing/how-can-i-find-my-id/td-p/6866511 and http://forums.autodesk.com/t5/installation-licensing/how-to-get-autodesk-id-for-registering-for-auto...
Please just post once and we will assist you.
Your ID is the email address that you used to create your Autodesk Account.
Mark Lancaster
& Autodesk Services MarketPlace Provider
Autodesk Inventor Certified Professional & not an Autodesk Employee
Likes is much appreciated if the information I have shared is helpful to you and/or others
Did this resolve your issue? Please accept it "As a Solution" so others may benefit from it.
@Anonymous
If you bought through the e-store, you put an e-mail before the purchase, if you did it through a reseller, ask him what is the mail or request your license certificate.
Hello @Anonymous,
Welcome. Seems like you posted more than once, no need to do so. It should be the same User ID you use across all Autodesk Accounts.
Please review the Steps for Setting-Up Student Software if you need some guidance.
Please let me know if you have any more questions. Thank you.

Natasha
Community Product Support Specialist
Helpful Links:
AutoCAD Videos | AutoCAD Crashes or Freezes | AutoCAD Customer Council | AutoCAD System Requirements | Prepare your computer for download | Autodesk Virtual Agent | Clean Uninstall | Steps for Setting-Up Student Software
Nice, thanks!
my name is rony maayan i cant find my Autodesk id