You are trying to install or open an app that didn't come from the Mac App Store but you got a message saying App can't be opened because it is from an unidentified developer. This is how you bypass it.
Yes you read it right, Heather Dewey-Hagborg makes 3D portraits from the DNA collected from objects like cigarette butts or chewing gums she picks from sidewalks, tossed away by strangers.
If you want your progress bar to look a bit different you can create it in a shape of a circle with counter in the middle. We will create in a so called flat design trend using Adobe Photoshop.
After a while I decided to make a new tutorial for all you awesome Gimp users out there. This time we are going to turn on the Xenon headlights on a random car. Enjoy!