The minimum system requirement for MO-Call PC is:
OS: Microsoft Windows 2000,Windows XP with SP2 or later patch,Vista
CPU: 1.08G or faster processor
Memory: Minimum 128M but recommend larger than 512M
Media input/output: Embedded on board sound card
Connection Speed: 72Kb/s but recommended at least 128kb/s

You can download MO-Call from here. After you download the installer, double click on the icon. Follow the install wizard to complete installation.

Yes, you need to register a MO-Call account to use MO-Call PC.

No, you can delete it after you have completed the MO-Call PC installation.

Downloading MO-Call PC is completely free.