Setting AT&T's website as your browser's home page can help you keep up-to-date with the company's latest news and promotions. All three major browsers under either Windows 8.1 or 7 -- Google Chrome, Mozilla Firefox and Microsoft Internet Explorer -- let you customize your home page by editing the browser's settings.
Google Chrome 41
Launch Google Chrome and click the Menu icon to open the Customize and Control Google Chrome menu. Select Settings.
Select Open a specific page or set of pages and click Set pages.
Enter http://www.att.com in the Add a new page field and click OK to finish editing your settings.
Mozilla Firefox 37
Visit AT&T's website in Firefox by entering http://www.att.com in the address bar.
Click on the Globe icon next to the website's address and drag it to the Home icon in the browser's toolbar.
Select Yes to make AT&T's website your new Firefox home page.
Internet Explorer 11
Launch Internet Explorer and enter http://www.att.com in the browser's address bar.
Open the Cog menu and select Internet options.
Select Use current to set your default home page to AT&T's home page.
Confirm your new home page settings by clicking on Apply and selecting OK.