In order to use this software on your PC, you need to install it first. To do that, you can visit Software Informer's application website to obtain a download link or you can go to the following official website. To install the software, just open the downloaded file and follow the instructions. After the installation process is over, start the program by clicking the desktop icon. You can connect to Line with your account and start chatting with your friends. If you don't have an account, press Sign Up. However, you will have to register the account with your mobile device such as Android or Nokia mobile phone, etc, before you can use it on your PC.