All 3 files must be downloaded and saved to the same folder on your hard drive. To save these files to your hard drive, right-click on the link and choose "Save Target As..." After downloading, you will need either a Zip (PC) or Stuffit (Mac) file utility to extract the compressed files. These utility sites are linked below.

• Virtual Experiments Laboratory
• Required Runtime Engine
• VEL Manual

• Virtual Experiments Laboratory
• Required Runtime Engine
• VEL Manual

• WinZip - Needed to decompress PC version
• StuffIt - Needed to decompress MAC version
• Acrobat Reader - Needed to view the VEL Manual