Arduino Tutorial 2: Install Arduino Library
Steps to Install Arduino Library:
1- Download library file. Normally library files are in the form of .zip or .rar.
2- Extract the folder from the ZIP / RAR file and paste it into the directory where you installed the Arduino IDE software. Examples are shown below, library folder named DHT used for EXAMPLE. THIS IS FOR EXAMPLE ONLY, EXAMPLE ONLY. Use your own given library for your own project understand??. The library should be pasted into directory C:\Program Files (x86)\Arduino\libraries.
3- Make sure the file you paste is in the form of FOLDER, not ZIP or RAR. Otherwise the software won’t be able to trace the library file