Select Import - Import Gray-Value Image (ImportGeo-Vol) in the menu bar and click Browse… in the ImportGeo-Vol section, left from the Visualization area.
Navigate to the Import-and-quality-control-of-a-cathode-material folder and the Input-Data folder inside it.
Then, inside the ETH_NMC_Cathode_2048x2048x259_0.37um folder, select the first file, with the name ETH_NMC_Cathode_001.tif, and click Open.
For Voxel Length enter 0.37 µm and click Image Processing.
The 3D Image Processing dialog for the processes of ImportGeo-Vol opens. On the left, the options and parameters for the import are shown in a panel with two tabs (Image Processing and Segmentation & Labeling).