[2020]

Here is how to.

Steps:
1. From any items attributes or Properties
2. Go to the option to change the texture
3. In the Textures dialog box, click the Custom Material button.
4. In the Custom Material dialog box, click the Wizard button.
5. In the Welcome screen of the Custom Material Wizard, click Next to open your graphic file.
6. In the Open dialog box, select the disk/folder where the file is located. Accepted graphic file formats are .jpg, .bmp, .tif, .png, .gif, .tga, and .lwi.
7. Follow the steps on the screen to complete the wizard.