where is option to disable installation?

on later version i saw option to disable installation of every program on computer now i dont see it,where i can find it? please answer

Are you asking how to disallow application installation? Or are you asking how to disable execution of applications already installed.

both

can someone answer me please am waiting few days for answer

Try disabling "Automatically detect the installers / updaters and run them outside the Sandbox " and “Automatically trust the files from the trusted installers” in Sandbox settings.

In Defense+, Computer Security Policy, there is a tab for ‘blocked files’. Select ‘all applications’ from the add, file-groups’ dialogue.

thank u guys