PC Software includes a wide variety of tools and programs that make using your computer more productive and efficient, or even enjoyable. Examples include word processors, multimedia and music players video games graphic and design software, and online communication tools like Skype or Google Hangouts or an even more robust email program. Microsoft products, email clients, social media clients, editors, PDF readers, and productivity tools such as a calendar, calculator or to-do list are also popular.

The most widely used type of PC software is the computer operating system (OS). OS programs usually have an interface that is graphical (GUI) or, in some cases, command-line interface. The average computer user interacts with the OS through these GUIs.

System software is typically written in a low-level programming languages, which makes it easier to talk to the hardware systems. It also handles a range of vital functions, like memory management and task scheduling.

A clean-up tool can be lifesaver if your hard drive is stuffed full of old backups or excessively sized installation of a game. SpaceSniffer is a good example. from Uderzo Software helps you reclaim wasted space by scanning your hard drives and presenting the results in an easily understood visual grid. And when you're ready to eliminate your old files a top-quality program to erase them like Recuva from Piriform, the creators of CCleaner, can bring your files back to life.

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