Since it is a .zip file, you will need a file archiver tool like 7-Zip (Windows), WinRAR , or the built-in archive utility on macOS/Linux to extract the contents. Viewing: JPG files can be viewed in any image viewer.
Files showing the sketching, coloring, and shading process. SakimiChan_-_Term_010_03-2015.zip
This file appears to be a digital art pack from the artist , specifically released as part of their "Term 010" rewards in March 2015. What is included in this pack? Since it is a