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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 10,726 in this category.

for the week of: November 16Downloads
  1. 1.
    WinRAR

    File Compression267,248

  2. 2.
    Smart Defrag

    System Utilities132,382

  3. 3.
    Adobe Reader

    Maintenance & Optimization127,426

  4. 4.
    WinZip

    File Compression123,916

  5. Share photos and videos directly to the desktop.
  6. 5.
    Glary Utilities

    System Utilities89,184

  7. 6.
    PerfectDisk

    System Utilities42,271

  8. 7.
    IZArc

    File Compression30,449

  9. See, hear, and chat live in video rooms.
    Start backing up your files in less than 60 seconds.
  10. 8.
    Auslogics Disk Defrag

    System Utilities20,580

  11. 9.
    Wise Registry Cleaner 3 Free

    Diagnostic Software18,382

See all most popular software

  1. Compile different file types into one for easier sharing.
    Detect and remove adware and spyware from your computer.
Release date
  1. Diskeeper Nov 02

    System Utilities

  2. Baku Nov 06

    System Utilities

  3. Glary Utilities Oct 30

    System Utilities

  4. DiskView Apr 20

    File Management

  5. System Mechanic Jul 09

    System Utilities

  6. WinRAR Sep 30

    File Compression

  7. Belarc Advisor Jul 29

    System Utilities

  8. WinZip Self-Extractor Jul 27

    File Compression

  9. WinZip Sep 10

    File Compression

  10. 7-Zip Dec 24

    File Compression

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.
    Auslogics Disk Defrag

    Defragment your disks and improve computer performance and stability.

  5. 5.
    Diskeeper

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

  6. 6.
    TuneUp Utilities 2008

    Increase performance, free up disk space, and solve problems of Windows PCs.

  7. 7.
    System Mechanic

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

  8. 8.
    7-Zip

    Archive files in different formats and manage them.

  9. 9.
    Revo Uninstaller

    Uninstall unwanted and even broken applications accurately.

  10. 10.
    IZArc

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

See all editor's picks

from the download blog

Featured Freeware: Rohos Mini Drive

Posted by Seth Rosenblatt on Nov 17, 2008
There's nothing magical about this partitioning tool, but it does offer password protection along with solid NTFS partitioning sleight-of-hand for your USB thumb drives.
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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.