If you’re on a Mac or running Windows 7 and higher, simply double-click the zipped file and the contents will be unzipped in a new folder. You can also select the zipped file, right-click, and select the “Extract all…” option.

Resources:

• Extract files from a zipped compressed folder (Windows XP)
• Extract files from a zipped compressed folder (Windows 7)
• How do I open compressed files? (Vista and Windows 7)
• 7-Zip.org (file extraction software)
• WinZip software (file extraction software)