A Lenovo IdeaPad 3 is a useful laptop for various tasks. These laptops are small to medium-sized, so you can easily take them with you. There are IdeaPad 3 laptops with Windows or with ChromeOS as operating system. With a Lenovo IdeaPad Slim 3 Windows laptop, you can easily work in various programs. ChromeOS is well-protected from viruses and you use it if you work in the cloud a lot.