Download and Add framework

Step 1: Download and unzip the lastest version here: SDWebImage.Framework

Step 2: Right-click on the project navigator and select "Add Files to "Your Project": In the dialog, select SDWebImage.framework, and check the "Copy items into destination group's folder (if needed)" checkbox

Add dependencies

In you application project apps target settings, find the "Build Phases" section and open the "Link Binary With Libraries" block: Click the "+" button again and select the "ImageIO.framework"

Add Linker Flag

Open the "Build Settings" tab, in the "Linking" section, locate the "Other Linker Flags" setting and add the "-ObjC" flag:

Import headers in your source files

#import <SDWebImage/UIImageView+WebCache.h>

Happy Coding...!!!