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Utilities & Operating Systems

From driver downloads to registry cleaners, CNET Download.com features all the latest utilities and drivers. Whether you're looking for FTP clients, compression utilities, or software to back up your hard drive, CNET Download.com has you covered. See all 0 in this category.

for the week of: January 04Downloads
  1. 1.
    Advanced SystemCare Free

    Diagnostic Software365,041

  2. 2.
    WinRAR

    File Compression284,142

  3. 3.
    VersionTracker Pro

    System Utilities187,237

  4. 4.
    WinZip

    File Compression128,680

  5. Diskeeper defrags guaranteeing top PC speeds.
    C++ library simplifies parallel programming for multi-core
  6. 5.
    Smart Defrag

    System Utilities95,877

  7. 6.
    Advanced SystemCare Pro

    Diagnostic Software55,460

  8. 7.
    Auslogics Disk Defrag

    System Utilities39,667

  9. C++ library simplifies parallel programming for multi-core
    Share photos and videos directly to the desktop.
  10. 8.
    Auslogics Disk Defrag

    System Utilities39,667

  11. 9.
    IZArc

    File Compression31,589

  12. 10.
    Easeus Partition Manager

    File Management20,937

See all most popular software

  1. Search the Web, block pop-ups, get to your mail.
    Remove and block all types of spyware and PC errors on your computer.
Release date
  1. Comfort On-Screen Keyboard Pro Jan 06

    System Utilities

  2. Driver Magician Lite Jan 06

    Backup Software

  3. NirCmd Jan 06

    System Utilities

  4. Screen Shot Pro Jan 06

    System Utilities

  5. ResourcesExtract Jan 06

    File Management

  6. EF Commander Jan 06

    Maintenance & Optimization

  7. EF Commander Lite Jan 06

    File Management

  8. EF Commander Free Jan 06

    File Management

  9. Perfect Uninstaller Jan 06

    Uninstallers

  10. Quicksys RegDefrag Jan 06

    System Utilities

See all new releases

  1. 1.
    WinZip

    Zip and unzip your files quickly to conserve disk space and greatly reduce e-mail transmission time.

  2. 2.
    WinRAR

    Manage RAR and ZIP archives.

  3. 3.
    FreeRAM XP Pro

    Increase your system performance by cleaning the content of your RAM.

  4. 4.
    Ashampoo WinOptimizer

    Speed up searches on your hard drive and optimize overall system performance.

  5. 5.
    Diskeeper

    Defragment PCs and servers in real time, with zero overhead, to maximize system performance.

  6. 6.
    TuneUp Utilities 2009

    Increase performance, free up disk space, and solve PC problems.

  7. 7.
    System Mechanic

    Speed up your Internet connection, find and clean junk and obsolete files, and clear your cache.

  8. 8.
    IZArc

    Archive files into various formats, search archives, and find passwords for ZIP files.

  9. 9.
    Revo Uninstaller

    Uninstall unwanted and even broken applications accurately.

See all editor's picks

from the download blog

Syncing your Google and Outlook calendars

Posted by Dennis O'Reilly on Dec 08, 2008
Google Calendar Sync, a free utility from the search giant, makes it easy to keep your Google Calendar and Microsoft Outlook calendar on the same page. There are a few caveats, though.
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an introduction to Utilities & Operating Systems

Have you ever added a TV tuner card to your computer, only to have the DVD drive stop working? Maybe you've tried to install software and gotten an error message such as "The file foofah.dll is missing or damaged." The only time most people will need to deal with a driver is when something goes awry. Essentially, a driver is a piece of software that communicates the special needs of a hardware device or software application to an operating system. Windows comes with most of the drivers you need, but sometimes plugging in a new device--such as a digital camera or printer--will trigger a search for drivers. If the maker of your device doesn't offer drivers on its Web site, try searching our library for the name of the device or corrupted DLL.

This category is also the home of popular programs such as the top-rated SmartFTP Client, which made our list of the best free utilities. Installing and uninstalling software, deleting files, and other daily tasks can take a toll on your computer's performance. To test how well your PC is running, try a benchmarking program such as SANDRA Lite. Cleaning out the dead wood with a system optimizer such as Ace Utilities or System Mechanic will straighten out some Registry problems, improve system speed, and free up disk space. Don't forget to back up your data regularly with something like Second Copy so you can replace any files you regret erasing, such as the driver for your nVidia ForceWare Graphics card.

File-compression tools include the classic WinZip and the newcomer WinRAR, which are both excellent shareware products that provide lots of free functionality. Among the wide variety of software within Tools & Utilities, you'll find bookmark managers such as Bookmark Buddy, download managers such as Download Accelerator Plus, file-sharing tools such as LimeWire or Morpheus, and search tools such as Google Desktop.