Easily, you are able to change the text size either for the entire operating system or just for particular parts of the interface. The ways vary based on your operating system and how much fiddling you want to do. For your information, you are able to change the size of text in Windows 10 by using Display settings, zoom in or out in Microsoft Edge, or use Magnifier. You are able to see and read its explanation here.- In WindowsYou can select the Start button, then select Settings, Ease of Access and Display. If you want to make the text on your screen larger, adjust the slider under “Make text bigger”. To make everything larger, including apps and images, select an option from the drop down menu under “Make everything bigger”.- In Microsoft EdgeYou can select “More. . ” in the upper right corner, and then you can zoom in or out.- Use MagnifierMagnifier zooms in on parts of your screen to create them easier to see. When you want to open Magnifier, you can press the Windows logo key + Plus sign. While Magnifier is open, zoom in and out by pressing Windows logo key + Plus sign and Windows logo key + Minus sign. To close Magnifier, you can press Windows logo key + Esc. This is also another way to change text Size in Windows 10.- At the first step, you have to right click on the desktop and select Display settings.- Please slide the “Change the size of text” to the right for making the text bigger. Or you can slide it to the left for making the text smaller. For your information, the slider moves in increments of 25 percent. You are able to increase the size up to 175 percent.- After that, you have to click “Advanced Display Settings” at the bottom of the settings window. - Then, you need to click “Advanced sizing of text and other items” at the bottom of the window. The screen with some display choices appears. From here, you are able to select to either “Set a custom scaling percentage” or “Tweak the font size of specific elements” such as the Menus and Icons.- Now, you need to click “set a custom scaling level” under Change size of items.- Next, a pop-up window appears with a little ruler in it. Please, click on the percentage box, type in a number and click Ok. You can also rest out different sizes until you find one you like.- Afterwards, you are able to select the UI element you want to change, pick a font size and check “Bold” if you want the letters bolded. You may can repeat these steps as necessary for the Title bars, Message boxes, Menus, Tool tips, Palette titles and icons.- The last, you are able to click Apply. Windows is going to either make you wait or ask you to sign out and sign back in before you see the changes of your text size.