To use a file with a .7z extension like this, you generally need a file archiver like 7-Zip or WinRAR. In most cases for these games, the contents are simply extracted and overwritten into the main game directory to apply the update. Kamuo - itch.io
The file "Kamuo_Update_2021-2-4_to_2021-3-14.7z" refers to a cumulative software update or "patch" for a project developed by , an independent developer known for creating adult-themed interactive media, primarily visual novels and simulation games. Context and Purpose Kamuo_Update_2021-2-4_to_2021-3-14.7z
During the timeframe represented by this file, Kamuo’s development focused on: To use a file with a