Skype is an application that uses VoIP (Voice over Internet Protocols) technology to transmit voice. Not only that, you can make free video and audio calls to another PC. Instant messaging also is free. You can make calls to phones and send SMS messages using Skype credit. The program also offers paid voice mail and call transfer services. However, before you download and use this application, you need to check whether your PC fits the necessary requirements.
CPU and Operating System
CPU (Central Processing Unit), or processor, measures how fast and how much data your PC can handle. Processor speed is measured in megahertz (MHz) and gigahertz (GHz). Skype for Windows requires a 1 GHz CPU or faster (for video and voice calls only.) The application supports Windows 2000, XP, Vista or 7, both 32- and 64-bit. Windows 2000, however, needs DirectX 9 interface for Skype to function properly.
Memory and Hard-Disk Space
Random Access Memory (RAM) or simply memory determines which and how many programs you can run at the same time without affecting the efficiency. Hard drive of your computer, in turn, determines how much data you can store. Both are measured in megabytes (MB) and gigabytes (GB). Skype requires at least 256 MB of RAM and 18 MB of free hard-disk space for installation files.
Skype requires broadband Internet connection, such as cable or DSL. You also need a microphone and speakers (or headphones) for voice calls. HD video calls require an HD webcam (Skype requires a 1.8 GHz or faster CPU for HD video calls.) You need a regular webcam if you don't want HD quality.
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