If you want to send and read SMS from your PC.SMS From PC – Lite is a free android that will allow manage SMS from your PC without touch your mobile.
First you need to download their desktop client before you download the Android app. After the installation you send messages easily. When you receive a new SMS a notification will pop up at your computer with the contact image and name. You can control its ring volume. You must turn on always wifi for work.
Download PC – Lite click here.