The Autodesk Material Library is installed by default using the product installer; it can be removed using the Windows Control Panel.
If the default material library was removed, you can reinstall it with the following steps:
- Download the AutoCAD installer.
- In File Explorer, browse to the product installer, and open the following folders:
-
..\Content\ADSKMaterials\CM
-
..\Content\ADSKMaterials\ILB
- Run the Microsoft Installer (MSI) files located in the two folders and accept the default values.