PhET Offline Website Installer
The full PhET Offline Website Installer package installs a copy of the PhET website onto your computer. Once installed, you do not need to be connected to the Internet to view or run any of the simulations as long as you have Java, Flash, and a web browser such as Firefox or Internet Explorer. Java is required to open the Java simulations. It can be downloaded here: http://java.com/. See our system requirements for more detail.
These installers of the PhET simulations are updated frequently. We suggest uninstalling your earlier versions before installing a new one. The installers were last updated on Feb 7, 2016 at 5:01:09 AM MST.
If you have an Internet connection that is too slow, we can send you a DVD-ROM with the full installation package. Please specify the type of installer (above) when contacting us.
Help & Troubleshooting
For assistance with installation and compatibility issues, please visit our troubleshooting and support page.