Now click on the Choose the path button and select the folder where we want to install the Extreme PBR Library.
In this step, if (ONLY IF) you already had an Extreme PBR “User Library” / “User Lib” previously installed on your computer. (If you had a previous version of Extreme PBR and saved your materials, you can indicate the path.
Note:
Remember, Extreme PBR libraries are very large, so to fully install the library, it will require almost 100 GiB of free space on the HardDisk you indicated. It is recommended that you install the libraries in a path that is not subject to path changes.
![](https://docs.extreme-addons.com/wp-content/uploads/2022/07/blender_hVDlfUbKcS.png)