A ZIP file is a compressed folder containing multiple files. It allows you to transfer many files at once, and takes up less storage space than the files would if they were not compressed. it's an easy way for a Seller to distribute many files together.

Windows and Mac OSX are able to open and uncompress ZIP files without additional software. iPhones and iPads will require an additional app.

Here's how to open a ZIP file that you've downloaded from K12HELPER..

If your computer runs Microsoft Windows:

  1. Right-click on the unopened ZIP folder.
  2. Choose "Extract All" from the menu that opens.
  3. Choose a destination. This is the folder whereyou want to keep the unzipped files.
  4. Click "Extract."

If your computer runs Mac OSX:

Double-click the unopened ZIP, and it should extract automatically. If that doesn't work, hold down the control key and click the ZIP file icon. Choose "Open With" and then select "Archive Utility." The utility will extract the ZIP files and you can find them in the same folder where you downloaded them.

What if I've tried these instructions, and I'm still having trouble opening a ZIP file?

For a simple solution that works on Windows and Mac OSX, try extracting ZIP files online using one of these free websites: