Follow the guide here.
(*Extra informations*)
After that,your download will be started.
Once finished your download,copy the .apk file to your phone and install on your android phone.
On your android phone,please make sure you have "Unknown Sources"
enabled.
It is located at Settings>Security section.
And also don't forget to
enable USB debugging at Developer Options there.
Connect your android phone to pc via USB cable / KIES (if you use Samsung android phone.)
You can google search to download the USB driver.
That's all,enjoy :)
If you like the apps, please support the original author by purchasing from them.