Instances of how computer viruses are spread​

downloading apps from unsafe websites

Explanation:

some viruses have been embeded into this sites and when u download a file or an app the virus downloades with it

a macro is a tool that allows you to automate tasks and add functionality to your forms, reports, and controls. for example, if you add a command button to a form, you associate the button's onclick event to a macro, and the macro contains the commands that you want the button to perform each time it is clicked.

make sure each item is its own paragraph.