To increase the size of the screen, simply hold down the "Ctrl" key and press the "+" button until you reach the required size.

To decrease the size of the page, hold down the "Ctrl" key and press the "-" button.

Pressing "Ctrl" and "0" together normally resets the screen back to the default size.

To permanently change the size of your screen follow these steps.

To change the size of the items shown on your screen on a PC running Microsoft Windows go to Start > Settings > Control Panel > Display > Settings and change the desktop area by using the sliding bar.

On an Apple Macintosh, you can use the Monitor & Sound Control Panel to change the resolution.

To modify your keypoard or mouse settings, follow these steps.

Fine-tune your mouse and keyboard settings under Start > Settings > Control Panel > Accessibility