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Technical information

Because we want you to have the best possible experience, we've designed our site to work across a range of common web browsers. Find out more about the computer and browser settings that are best for using our site below.

You can also learn about changes you can make to improve the way our site displays on your screen, and find answers to common questions about accessing site features.

Compatible browsers

In order to have our features work and display properly, we recommend that you use a recent version of the most widely used browser software, which have been tested for compatibility with our website.

If you need to install a compatible browser version, please visit the websites for Microsoft Internet Explorer, Mozilla Firefox, Apple Safari or Google Chrome.

For useful information on other topics such as adjusting font sizes, enabling JavaScript, enabling cookies or clearing your cache, select the appropriate browser help section below.

Adjusting monitor settings

You may want to adjust the screen resolution in your monitor settings to help web pages fit better on your screen or to make items on web pages appear larger.

Lower resolutions, such as 640 x 480, will make items on the page appear larger. However, less of the web page will fit on the screen, so you may have to scroll horizontally to view the entire page.

Higher resolutions, such as 1024 x 768, will make more of the web page fit on your screen, but individual items will appear smaller.

To change your screen resolution:


  • From the "Control Panel" window, click on "Adjust screen resolution" under "Appearance and Personalization."
  • On the "Resolution" drop-down, drag the slider to choose a screen resolution, then click "Apply."

Mac OS X

  • From the Apple menu, go to "System Preferences" and select "Displays."
  • Select your desired setting under "Resolutions."

On other operating systems

  • To adjust your screen resolution on other operating systems, please consult your computer's help section.