Download3k toolbar for IE allows you to search Download3k's daily updated software applications database from within your Internet Explorer browser. The results of your search are sorted by relevance and include both freeware and shareware programs. You also get a suggestion box for related searches and easy access to the most downloaded programs in the last 7 days through another box above.
In order to install the plugin close all IE windows first, then follow the instructions in the install screen. The toolbar is quite self explanatory and easy to use.