Installing Internet Explorer on a flash or USB drive allows you to run the browser on any computer without changing the computer's settings. You can keep your bookmarks and browser settings, use the browser on a public computer and still use the software provided on the computer without updating the software. You need a portable version of the browser, which is software that does not require installation before using.
Download Portable Internet Explorer.
Double-click the downloaded file to reveal the contents of the file.
Plug the USB drive into your computer. A window showing the USB drive should open automatically, skip to Step 5. If a window does not open, continue to Step 4.
Open the USB drive by clicking on "My Computer," and then clicking on the USB drive. This will open a window for the USB drive.
Drag the contents of the downloaded file to the USB drive window. Double click on the iexplorer.exe on your USB drive to start Internet Explorer.