You need to download the framework and run Kubescape with the file. It's pretty simple.. you can find it all here- https://github.com/armosec/kubescape#offline-support

Well, this is for users who do not want to work hard:) If you wish, you can clone the project and build, other option- you can download the file from the release url. It should be pretty simple to understand from the install.sh script. Good luck :)

Nobody needs install scripts that you can’t remove anymore. What happened to deb or rpm packages?

Yes, we are working on integration with anchore :)