Here is exactly how to unzip a download on every major platform.
Windows has a built-in tool for unzipping files, so you don't need to download extra software. Locate the downloaded .zip file in your Downloads folder.
If you have just downloaded a file and noticed it ends in , you are looking at a compressed folder. Computers use these to bundle multiple files into one smaller package, making them easier to send and download. Before you can use the files inside, you must "unzip" or "extract" them.