1. Download the crunch.zip file, specifying where you want to save the file on your PC. Once downloaded, you will need to unzip the file with a utility such as WinZip.
2. Once you've uncompressed the file, you will have a Windows executable called crunch.exe.
3. Double click the file to install it. You can then customize the screen saver's settings by opening your Display Properties Control Panel and clicking on the Screen Saver tab.

1. Download the crunch.sit.hqx file to your desktop. You will need to uncompress the file with Aladdin's StuffIt Expander.
2. Once you've uncompressed the file, you will have a Control Panel called Crunch Screen Saver.
3. Drop this file into the Control Panels folder in your System Folder and restart your Mac. You can then customize the screen saver's settings by selecting it from Control Panels under the Apple Menu.