The quickest way to enlarge what you see
You can make everything on your screen larger without changing your monitor or buying new hardware. The fastest method is to use your keyboard: hold Ctrl and press the plus sign (+) key repeatedly until the text and windows reach a comfortable size. To shrink it back, hold Ctrl and press the minus sign (−). This zoom works in most programs—web browsers, email, documents, spreadsheets—though the amount it enlarges varies by process.
If you want a permanent change that affects everything on your screen at once, you can adjust your display scaling in your operating system settings. This is different from zoom: it changes the base size Windows or macOS uses to display all text, icons, and windows, so you do not have to re-zoom every time you open a program.
Key Takeaways
- Hold Ctrl and press the plus key to zoom in on any open program; this change applies only to that program until you close it.
- Display scaling in your system settings enlarges everything system-wide and persists after you restart your computer.
- Windows and macOS both offer scaling options between 100% and 200%, though some programs may look blurry at higher scales.
- If text remains hard to read after scaling, you can also increase font size in individual programs like email or word processors.
- Accessibility features like magnifier tools and high-contrast modes work alongside scaling to make the screen easier to read.
How to change display scaling in Windows
Open the Settings app by pressing Windows key + I, or click the Start menu and type "Settings." Once Settings opens, select System from the left sidebar, then click Display.
Look for the section labeled Scale and layout. You will see a dropdown menu that currently shows a percentage—usually 100%. Click it and choose a larger percentage: 125%, 150%, or 175% are common options. Some computers offer 200% as well. Select the size that makes text readable without making windows too large for your screen. Windows will ask you to sign out and back in for the change to take full effect, though you may see the enlargement when ready.
If the preset percentages do not suit you, scroll down in the Display settings to find Advanced scaling settings. Here you can enter a custom percentage between 100% and 500%, though scaling above 200% often makes text blurry. Test your choice by opening a document or web page and reading it comfortably before you commit to the change.
How to change display scaling on a Mac
Click the Apple menu in the top-left corner and select System Settings (or System Preferences on older macOS versions). Then click Displays in the sidebar.
At the bottom of the Displays window, you will see a Resolution section with a slider or buttons labeled "Larger Text" or "More Space." Click Larger Text to enlarge everything on your screen. Each click increases the scaling; you can adjust it until the text is comfortable to read. Unlike Windows, macOS does not show you a percentage—you straightforward move the slider until the size feels right.
If you have an external monitor connected, the Displays settings will show separate controls for each screen, so you can enlarge one monitor without affecting the other.
Zoom in on a single program without changing your whole screen
If you only need larger text in one process—your email, a web browser, or a document—you can zoom just that program without touching your system settings. This is useful when one program is hard to read but others are fine.
In most programs, hold Ctrl (Windows) or Command (Mac) and scroll your mouse wheel forward, or press the plus key repeatedly. The text and windows in that program will grow larger. The zoom level stays in effect only while that program is open; when you close it and reopen it later, it returns to normal size unless you zoom again.
Some programs have their own zoom controls in the menu bar. In Microsoft Word, for example, you can click View and then adjust the zoom percentage directly. Web browsers like Chrome and Firefox show a zoom percentage in the address bar that you can click to change.
Using Windows Magnifier for very large text
If standard scaling is not large enough, Windows includes a built-in magnifier tool that can enlarge a portion of your screen up to 16 times normal size. Press Windows key + plus sign to open Magnifier. A small window will appear showing a magnified view of wherever your cursor is on the screen.
Magnifier works best for reading specific text or details rather than for everyday use, because it shows only a zoomed section of your screen at a time. You can adjust how much it magnifies by clicking the minus and plus buttons in the Magnifier toolbar, or by using your scroll wheel. To close Magnifier, press Windows key + Escape.
Adjusting font size in individual programs
Beyond scaling your whole screen, many programs let you change the font size of text within that program alone. This is useful if you have already scaled your display but one process—like Outlook email or a spreadsheet—still feels too small.
In Microsoft Office programs (Word, Excel, Outlook), look for a font size dropdown in the toolbar, usually showing a number like "11" or "12." Click it and select a larger size. In web browsers, you can usually find font size controls under the menu (three horizontal lines) or in the View menu. Email programs often have a separate setting for message text size in their preferences or settings.
Some programs also offer a "high contrast" mode that enlarges text and adds darker colors to make reading easier. Check the program's View or Accessibility settings to see what options are available.
When scaling makes text blurry
If you scale your display to 150% or higher, some older programs or websites may look blurry or fuzzy. This happens because the program was designed for 100% scaling and does not know how to redraw itself cleanly at a larger size.
If a program looks blurry after you scale, you have a few options. First, try using zoom within that program instead of system-wide scaling—this often produces sharper text. Second, you can tell Windows to use a compatibility mode for that program: right-click the program's icon, select Properties, click the Compatibility tab, and check Disable fullscreen optimizations. Third, you can lower your system scaling back to 125% and use program-level zoom for anything that needs to be larger.
Frequently Asked Questions
Will changing my display scaling affect my monitor or damage it?
No. Display scaling is a software setting that only changes how Windows or macOS draws text and windows on your screen. Your monitor itself is not affected and cannot be damaged by scaling adjustments. You can change the setting back at any time.
Can I use different scaling on two monitors at the same time?
Yes, on both Windows and Mac. In Windows Settings under Display, you will see each monitor listed separately; click on one and adjust its scaling without affecting the other. On Mac, the Displays settings also show each monitor separately so you can enlarge one while leaving the other at normal size.
What is the difference between zoom and display scaling?
Zoom (Ctrl + plus) enlarges only the program you are using right now and resets when you close it. Display scaling changes your system settings and affects everything on your screen permanently until you change it back. Scaling is better for a long-term solution; zoom is better for a quick temporary fix.
If I scale to 200%, will my screen feel too crowded?
It depends on your monitor size and how much detail you need to see. On a small laptop screen, 200% scaling may make windows too large to fit comfortably. On a larger desktop monitor, 200% is often readable without crowding. Start with 125% or 150% and increase it only if you need to.
Do I need to restart my computer after changing display scaling?
Windows may ask you to sign out and back in for scaling changes to take full effect, though you will usually see the change when ready. Mac applies scaling changes right away without requiring a restart. If scaling does not seem to have taken effect, try restarting your computer.