Increasing or decreasing the size of the text in your operating system or Web browser can be tricky, but our easy guide walks you through it.

From adjusting text size and controlling the device with just your eyes to unlocking a hidden button on the back, this menu ...

To check if the text size is to your liking, look at the Preview section above the font size slider. Once you're happy with your changes, simply tap on the Back button to exit Settings.

Learn how to adjust text size on your iPhone for better readability and accessibility. Step-by-step guide for device-wide changes.

Set the display size to Default or Larger Text In > System Settings > Displays with your large display selected, the default settings shown have a “Use as” section with at least four choices.

If you're having trouble reading text on your Apple Watch, try changing the font size. Here's how you can do that in two different ways.

While these methods increase the font size, the screen's proportion could be thrown off, making navigating emails difficult. If you're in this situation, try different Chrome extensions.

Windows Accessibility settings now allow you to turn On or Off, customize, change or adjust the Text Cursor Indicator size and thickness.

When you are viewing the page on your touch screen, you can use two fingers to zoom in on the text or pictures. You can also increase the type size on any story with the instructions below.

Here's how to change the text size on Twitter, so you can make the font as big or small as you like.