What if you want to save just a part of a Word document or PDF, such as an image or graph? There are a few ways to go about doing this. We'll show you how to save an image from a PDF using your PC, Mac, iOS or Android device.

Whether your eyesight isn’t what it used to be or you want to see something on your screen in greater detail, zoom is there to help.

Pro secret: If you have a mouse with a wheel connected to your PC, hold down the Ctrl key and then scroll with your mouse. Scroll up to zoom in and down to zoom out.

To use your keyboard only:

• On a Windows machine, press the Windows key + plus sign (+) to zoom in and the Windows key + minus sign (-) to zoom out.
• On a Mac, press Option + Cmd + equal sign (=) to zoom in and Option + Cmd + minus sign (-) to zoom out.

🧠 Don’t stop there. Get more smart keyboard shortcuts here.

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You already love snapping photos, but now it's time to earn money. We'll explain how to start your own stock photography business, keep it growing, and what to expect as you continue to invest in yourself and your business.

When you own your own business, you're the CEO, the marketer, the IT person and the data analyst. Don't go it alone. Get Kim's must-read small biz tips every week.

What are you feeding your dog? Chances are, even if it’s premium or organic dog food, it contains 50% to 64% processed cereal byproducts with little nutritional value. For 45+ years, Dr. Marty Goldstein has been a pioneer in pet nutrition. Nature’s Blend is a premium freeze-dried, raw dog food made in North America, designed to mimic what your dog would eat in the wild. Get this: 81% of the food is made from real cuts of raw turkey, raw beef, raw salmon and raw organ meats. The rest is omega-3-rich seeds, superfood veggies and fruits. They offer a hassle-free, full refund within 90 days of purchase if your dog doesn’t love it.

For a limited time, save 54% on your first order, plus get a free bag of Dr. Marty’s bestselling dog treats.

I'm always sharing ways to lock down your digital life. In this week's column, I'm looking a little closer to home. Whether you live alone or you've got a full house, you want to feel safe in your space. Here are a few tried and true ways tech can help you get it done.

Advertisers watch what you do and where you go online. It's all about being able to target you with ads you're more likely to click on. If that bothers you, good news: Kim has steps for one way to stop some of the spying.

Get Android tips, tricks and updates to your inbox twice a week. Coming up soon: How to hide files and folders on your PC. Handy!

The modern skyscraper is one of the most extraordinary feats of human engineering. These cloud piercers have been built with steel since the beginning of the 20th century, but now some creative builders are starting to think outside the box. What if you made one completely out of wood? Is it possible? The answer is yes, and they are already being built.