How to Password Protect Individual Programs and Apps on Your Mac or Windows PC

It’s happened to most of us at one time or another. You leave your laptop open and a family member accidentally sees an email that you’d rather they didn’t (perhaps you are planning a surprise party for them), or a friend sees an embarrassing chat in your instant messenger program, or a colleague finds that website you were looking at during your lunch hour. If only there were a way to password protect individual software programs and applications (increasingly known as simply ‘apps’ ) on your Mac or Windows PC. Well, there is!