Steps to download WWT
Review the System Requirements to ensure that WWT can run on your computer.
Click Download.
If you don't have Microsoft .NET Framework 2.0, or later, installed on your computer, a message box
displays prompting you to install it. Click Yes to go to the .NET Framework 2.0 SDKs, Redistributables
& Service Packs page.
On the .NET Framework 2.0 SDKs, Redistributables & Service Packs page, scroll down the page to the .NET Framework Version 2.0 Redistributable Package section, and then click the link for your computer's architecture and operating system.
Note Most computers currently use a 32-bit architecture and operating system and should click the
Download x86 version.
On the Microsoft .Net Framework Version 2.0 Redistributable Package page, read the system requirements to ensure that your computer has all the necessary software installed, and then click Download.
In the File Download – Security Warning message box, click Run.
In the Internet Explorer – Security Warning message box, click Run.
Follow the software installation instructions.
After the software has been installed, click the Windows Update link to make sure that you have all the latest service packs and security updates. Click Express to review all recommended software and follow the software installation instructions.
In the File Download – Security Warning message box, click Run.
In the Internet Explorer – Security Warning message box, click Run.
Follow the instructions in the WorldWide Telescope Setup Wizard.
After WWT installs, double-click the WWT icon on your desktop to open WWT.