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  2. Why is my computer so slow? - AOL

    www.aol.com/products/blog/why-is-my-computer-so-slow

    Common Causes for a Slow Computer. Now that you know the signs and symptoms, you may want to consider the most common causes of a slow computer: ... Upgrade Operating System: If you're using an ...

  3. How to Find Out if You Have the Most Updated Operating System

    www.aol.com/.../blog/most-updated-operating-system

    It's recommended to upgrade to a newer and supported operating system for security reasons. How to find the operating system for an Apple Mac. Click on the Apple Logo:

  4. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    The operating system provides an interface between an application program and the computer hardware, so that an application program can interact with the hardware only by obeying rules and procedures programmed into the operating system. The operating system is also a set of services which simplify development and execution of application programs.

  5. Windows 11 - Wikipedia

    en.wikipedia.org/wiki/Windows_11

    Windows 11 is the latest major release of Microsoft's Windows NT operating system, ... free upgrade for ... system for backwards compatibility reasons, ...

  6. Upgrade - Wikipedia

    en.wikipedia.org/wiki/Upgrade

    Upgrading is the process of replacing a product with a newer version of the same product. In computing and consumer electronics, an upgrade is generally a replacement of hardware, software or firmware with a newer or better version, in order to bring the system up to date or to improve its characteristics.

  7. Installation (computer programs) - Wikipedia

    en.wikipedia.org/wiki/Installation_(computer...

    For instance, a system administrator willing to install a later version of a computer program that is being used can schedule that installation to occur when that program is not running. An operating system may automatically install a device driver for a device that the user connects. (See plug and play.) Malware may also be installed ...

  8. System Generation (OS) - Wikipedia

    en.wikipedia.org/wiki/System_Generation_(OS)

    There are several reasons that IBM provided a system generation process rather than simply providing a mechanism to restore the system from tape to disk. System/360 did not have self-identifying I/O devices, and the customer could request installation of I/O devices at arbitrary addresses.

  9. Computer maintenance - Wikipedia

    en.wikipedia.org/wiki/Computer_maintenance

    Softwares packages and operating systems may require regular updates to correct software bugs and to address security weaknesses. Software updates in computer maintenance [3] are essential for maintaining the functionality and efficiency of systems. These updates often include enhancements that improve the overall performance and stability of ...