1. What is a ZIP file
ZIP is a popular archive format widely using in Internet. Like other
archives, ZIP files are data containers, they store one or several
files in the compressed form. After you downloaded ZIP file, you need
to unpack its contents in order to use it.
2. How to handle ZIP files
WinRAR provides the complete support for ZIP files, so you may
both create and unpack them. If you installed WinRAR on your computer
and downloaded ZIP file from Internet, you may double click on ZIP file
icon to open it in WinRAR, select all files, press "Extract To"
button, enter a destination path and press "OK".
Another way is to click on the ZIP file in Explorer using the right mouse
button. If you enabled "Shell integration" option when installing WinRAR,
the file context menu will contain "Extract to ..." item.