fast and smooth. Check out our guides to Windows maintenance and Mac maintenance for more info and keep your PC running like new. 3. Instantly Share A File Between Two Computers So you've got some files you want to give to your friend sitting next to you, but your flash drive has mysteriously gone missing. Well guess what? You don't need it! It's very easy to transfer a file between two computers over your wireless (or wired) network, whether it's between you and a friend or between multiple computers you own. Here are our favourite ways to share files with a nearby computer, but if you want to share them between multiple computers in your house, Windows 7?s Homegroup feature is a great option. Of course, this is where the aforementioned Dropbox app can come in handy, too. And if you're sharing larger files over the internet, there are great ways to do that too . Please enable JavaScript to watch this video. 2. Easily Find Your Lost Or Stolen Gadgets You never know when you might misplace your phone, laptop, or other tech, so set up some safeguards now. iPhones have an easy-to-use feature called Find My iPhone that'll help you track it if it goes missing, but we're big fans of an app called Prey. With it, you can track nearly any laptop or smartphone that's gone missing , and even get a photo of who might be using it. If you're missing a camera, the CameraTrace service