If you’re running Windows Vista or Windows 7 on your computer, you can install Windows Internet Explorer 9 to replace your existing version of Internet Explorer.
Check the Download Internet Explorer 9 web page periodically for updates to Internet Explorer 9. If an update is available, repeat the installation process to install the latest version.
For information about system requirements for Internet Explorer 9, see the Internet Explorer 9 system requirements web page.
When you install Internet Explorer 9, additional software is also installed. For more information, see Prerequisites for installing Internet Explorer 9.
If you’ve already installed Internet Explorer 9 Beta or Internet Explorer 9 Release Candidate (RC), follow the installation steps below to upgrade to the final release version of Internet Explorer 9.
Go to the Download Internet Explorer 9 web page.
Select the language you want to install and your version of Windows, then click Download.
In the File Download dialogue box, click Run, then, in the User Account Control dialogue box, click Continue.
Click one of the following:
Restart now (recommended) (to finish the installation process now).
After you install Internet Explorer 9, you might need to update add-ons that are already installed on your computer (such as Microsoft Silverlight, Adobe Shockwave, Adobe Flash or Java). You might need to go to an add-on manufacturer’s website to get the update. For more information about add-ons, see How to manage add-ons in Internet Explorer 9.
If you’re trying to uninstall Internet Explorer because of an issue with the browser, first check to see if a solution is listed in Internet Explorer 9 Help and How-to.
The following instructions apply to both Windows 7 and Windows Vista.
Under Uninstall an update, scroll down to the Microsoft Windows section.
Right-click Windows Internet Explorer 9, click Uninstall, then click Yes when prompted.
Restart now (to finish the process of uninstalling Internet Explorer 9 and restore the previous version of Internet Explorer).
After you uninstall Internet Explorer 9, the previously installed version of Internet Explorer will be available on your PC. It isn’t necessary to reinstall.
If the previous steps didn’t work to uninstall Internet Explorer, see How to uninstall or remove Internet Explorer 9 when the standard uninstallation process doesn’t work.