Difficulty: Moderately Easy
Step1
Select the "Customize Firefox" bookmark from the Bookmarks menu in Firefox. Alternately, search for "Firefox Add-ons" using your favorite search engine to open the Firefox Add-ons webpage.
Step2
Click on the "Themes" link in the "Browse" section of the menu at the left of the Firefox Add-ons webpage.
Step3
Browse for Internet Explorer or Microsoft themes in the "Popular Themes" section.
Step4
Search the Firefox Add-ons webpage for Internet Explorer themes. Type "Internet Explorer Themes" into the Search text box at the top of the page for a list of all Internet Explorer-related themes.
Step5
Use either the "Download" or "Show License Agreement" buttons to download your chosen theme.
Step6
Restart Firefox once the download and installation are complete.
Step7
Choose "Add-ons" from the Tools menu in Firefox to choose the new theme. Close the Add-ons dialog box and restart Firefox again to apply the Internet Explorer theme.