If you are using Internet Explorer, click on Internet Options in the Tools menu. You will find the Home Page setting in the General tab.
if you are using Firefox on a Windows machine, click on Options in the Tools menu. You will find the Home Page Setting is in the Main section.
On a Mac, the Home Page setting can be found in the Preferences panel of your browser.
Instead of setting Noflail Search as your home page, or in addition to that, you may want to install Noflail Search as the default search engine in your browser's search box.