When you first run Autodesk Inventor, Content Center looks for legacy user libraries saved on your computer. If a legacy ADM Server is installed on your computer and legacy user libraries are found, Content Center automatically starts transfer of legacy libraries into the Desktop Content location. Click Yes in the Content Center Library Migration dialog box to perform the transfer.
To change the Content Center Files folder in Autodesk Inventor project:
If appropriate, change the default folder where standard components are created: