What is the minimum amount of storage required to install the app?

The prerequisites are: for Windows device: OS: Windows 10 or later, CPU: 1 core, RAM: 1GB, DISK: 500MB free disk space or

for MacOS: OS: MacOS Sonoma or later, CPU: 1 core, RAM: 1GB, DISK: 500MB free disk space,

for Linux:OS: Ubuntu, CPU: 1 core, RAM: 1GB, DISK: 500MB free disk space.

Full minimum requirements can be found here.