Most modern operating systems have built-in support for ZIP files, but support for split ZIPs varies.
You must have all parts in the same folder before attempting extraction. You cannot extract part 3 without parts 1 and 2. how to extract split zip files
If you do not have 7-Zip installed and must use the standard unzip utility, you often have to concatenate the files first, as older versions of unzip do not support split archives natively. Most modern operating systems have built-in support for