The Casper Startup Disk Creator is now installed along with Casper. (In Windows 8, click Casper Startup Disk Creator on the Windows Start screen. In Windows 7 or earlier, click Start -> [All] Programs -> Casper -> Casper Startup Disk Creator.) 

Instructions for using the Startup Disk Creator are available in the Casper Startup Disk Creator Guide, which is accessible from the Casper Help file. See the User Guides topic appearing under the Getting Started book in the Casper Help file.

This guide is also available online here:

https://www.fssdev.com/products/casper/guide.aspx