Using the default installation settings is the fastest way to install AutoCAD . A default installation does the following:
Performs a Standard installation, which installs the most common application features.
Installs AutoCAD to the default installation path of /Applications/Autodesk/<product name>.
Start the AutoCAD Installation wizard.
On the Introduction page, click Continue.
On the License page, select a language from the Language drop-down list and review the Autodesk software license agreement. Click Continue and then click Agree.
On the Register page, enter your serial number and product key. Click Continue.
Note: Select I Want to Try this Product for 30 Days if you do not have a serial number and product key. You can change it later in the product after it is started.
On the Installation Type page, click Install.
If the Password dialog box is displayed, enter your password and click OK.
On the Summary page, click Close. You have successfully installed AutoCAD. You are now ready to register your product and start using the program. To register the product, start AutoCAD and follow the on-screen instructions.