If you're installing a new Windows system you need Ninite. Ninite is a website that provides a quick and simple way to install much of the software you want on a new system.

Browse to the Ninite website, click the checkboxes next to the apps you want (WinZip, DropBox, Chrome, Firefox, Skype, ....) and it will download the latest versions and install them without any further interactions. The list of supported applications is updated regularly.