Provide download links

README.md

@@ -1,4 +1,7 @@
 # Developers Excuses
+
+[![Release](https://img.shields.io/github/release/ayltai/MacOS-Developers-Excuses.svg?label=release&maxAge=1800)](Releases/1.0/screensaver.zip) [![macOS](https://img.shields.io/badge/macOS-10.10-blue.svg?style=flat&label=API&maxAge=300)](https://en.wikipedia.org/wiki/OS_X_Yosemite) [![License](https://img.shields.io/badge/License-apache%202.0-blue.svg?label=license&maxAge=1800)](https://github.com/ayltai/MacOS-Developers-Excuses/blob/master/LICENSE)
+
 A macOS screen saver that shows a random [developer excuse](http://www.devexcuses.com) over a [beautiful photo background](https://unsplash.com). Made with ❤
 
 ![Screenshot 1](Screenshots/screenshot-1.jpg)
@@ -16,5 +19,18 @@ A macOS screen saver that shows a random [developer excuse](http://www.devexcuse
 ## Configurations
 ![Configurations](Screenshots/configurations.png)
 
+## Downloads
+### [Screen Saver](Releases/1.0/screensaver.zip)
+Double-click to install.
+
+### [Security Camera](Releases/1.0/SecurityCamera)
+Place it to somewhere handy, such as `~/Downloads` or `/usr/bin`, and then update its path in the screen saver configurations .
+
 ## Compatibility
 Developers Excuses screen saver requires OS X Yosemite or later.
+
+## How to build
+0. Install [CocoaPods](https://cocoapods.org)
+1. Run `pod install`
+2. Open `DevExcuses.xcworkspace` in Xcode
+3. Build both SecurityCamera and DevExcuses projects