Shop for operating systems

• CNET Editor rating:
  4.5 stars Spectacular

  Overall score: 9.0 (4.5 stars)
• Average user rating: 3.5 stars out of 176 reviews

The Bottom Line: Windows 7 is more than what Vista should have been, it's where Microsoft needed to go. How much damage Vista did and whether Windows 7 is enough for people to finally abandon Windows XP are questions that nobody has the answers to right now. Read review

Specs: 1 PC, Complete package, 16 GB, 1 GHz 1 GHz, 1 GB, DirectX 9.0 compatible graphics card, 1 GHz, 1 GHz

• CNET Editor rating:
  4.5 stars Spectacular

  Overall score: 9.0 (4.5 stars)
• Average user rating: 3.5 stars out of 29 reviews

The Bottom Line: Windows 7 is more than what Vista should have been, it's where Microsoft needed to go. How much damage Vista did and whether Windows 7 is enough for people to finally abandon Windows XP are questions that nobody has the answers to right now. Read review

Specs: 1 PC, Complete package, 16 GB, 1 GHz 1 GHz, 1 GB, DirectX 9.0 compatible graphics card, 1 GHz, 1 GHz

• CNET Editor rating:
  4.5 stars Spectacular

  Overall score: 9.0 (4.5 stars)
• Average user rating: 4.0 stars out of 21 reviews

The Bottom Line: Windows 7 is more than what Vista should have been, it's where Microsoft needed to go. How much damage Vista did and whether Windows 7 is enough for people to finally abandon Windows XP are questions that nobody has the answers to right now. Read review

Specs: 1 PC, Complete package, 16 GB, 1 GHz 1 GHz, 1 GB, DirectX 9.0 compatible graphics card, 1 GHz, 1 GHz

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.8 (3.5 stars)
• Average user rating: 2.0 stars out of 497 reviews

The Bottom Line: Windows Vista is essentially warmed-over Windows XP. If you're currently happy with Windows XP SP2, we see no compelling reason to upgrade. On the other hand, if you need a new computer right now, Windows Vista is stable enough for everyday use. Read review

Specs: 1 PC, Complete package, 40 GB, Intel x86 1 GHz, 1 GB, DVD-ROM, Sound card, 128 MB video memory, Internet connection, DirectX 9.0 compatible graphics card, Intel x86, 1 GHz

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.2 (4.0 stars)
• Average user rating: 3.5 stars out of 89 reviews

The Bottom Line: Intel Mac users will like Snow Leopard's smartly designed interface enhancements, and its Exchange support is a must-have (especially with Outlook for Mac on the way). With a ton of technological improvements, Snow Leopard is worth the $29 upgrade fee. Read review

Specs: 1 user, Complete package, 5 GB, Intel, 1 GB, 10.6, DVD-ROM, Intel

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.4 (3.5 stars)
• Average user rating: 2.5 stars out of 361 reviews

The Bottom Line: Windows Vista Home Premium is essentially warmed-over Windows XP Home Edition. If you're currently happy with Windows XP SP2, we see no compelling reason to upgrade. On the other hand, if you need a new computer right now, Windows Vista Home Premium is stable enough for everyday use. Read review

Specs: 1 PC, Complete package, 40 GB, Intel x86 1 GHz, 1 GB, DVD-ROM, Sound card, 128 MB video memory, Internet connection, DirectX 9.0 compatible graphics card, Intel x86, 1 GHz

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 2.5 stars out of 2428 reviews

The Bottom Line: XP is a worthwhile upgrade from 95/98 or Windows 2000. Unless you need corporate administration tools, XP Home Edition should suffice for most--even for small businesses. Read review

Specs: 1 user, Complete package, 1.5 GB, Intel Pentium 233 MHz, 64 MB, CD-ROM, SVGA monitor, Mouse or compatible device, Intel Pentium, 233 MHz

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.0 (3.5 stars)
• Average user rating: 1.5 stars out of 81 reviews

The Bottom Line: Windows Vista Home Basic is essentially warmed-over Windows XP, Windows XP SP3. If you're currently happy with Windows XP SP2, we see no compelling reason to upgrade. On the other hand, if you need a new computer right now, Windows Vista is stable enough for everyday use. Read review

Specs: 1 PC, Complete package, 20 GB, Intel x86 1 GHz, 512 MB, DVD-ROM, Sound card, 32 MB video memory, Internet connection, DirectX 9.0 compatible graphics card, Intel x86, 1 GHz

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.4 (3.5 stars)
• Average user rating: 2.5 stars out of 47 reviews

The Bottom Line: Windows Vista Business is essentially warmed-over Windows XP. If you're currently happy with Windows XP SP2, we see no compelling reason to upgrade. On the other hand, if you need a new computer right now, Windows Vista is stable enough for everyday use. Read review

Specs: 1 PC, Complete package, 40 GB, Intel x86 1 GHz, 1 GB, DVD-ROM, Sound card, 128 MB video memory, Internet connection, DirectX 9.0 compatible graphics card, Intel x86, 1 GHz

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 3.0 stars out of 191 reviews

The Bottom Line: Windows Professional boasts serious corporate administration tools--it's a trustworthy upgrade from Windows 2000. Read review

Specs: 1 user, Complete package, 1.5 GB, Intel Pentium 233 MHz, 64 MB, CD-ROM, SVGA monitor, Mouse or compatible device, Intel Pentium, 233 MHz

• CNET Editor rating:
  Not yet rated
• Average user rating: 4.5 stars out of 5 reviews

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.8 (3.5 stars)
• Average user rating: 0 stars No reviews, write one!

The Bottom Line: For small businesses that need a business in a box and want to stick with Microsoft technology, SBS 2003 is the only game in town. Read review

Specs: 1 server, 5 clients, Complete package

• CNET Editor rating:
  Not yet rated
• Average user rating: 0 stars No reviews, write one!

• CNET Editor rating:
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• Average user rating: 0 stars No reviews, write one!

• CNET Editor rating:
  Not yet rated
• Average user rating: 5.0 stars out of 2 reviews

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 3.5 stars out of 86 reviews

The Bottom Line: Windows 2000 isn't for the gamer or the casual surfer, but if you have a yen for speed, stability, and some serious server tools, this business-class OS will do you right. Read review

Specs: 1 user, Complete package, 2 GB, Intel Pentium 133 MHz, 64 MB, Mouse or compatible device, Intel Pentium, 133 MHz

• CNET Editor rating:
  Not yet rated
• Average user rating: 0 stars No reviews, write one!

• CNET Editor rating:
  Not yet rated
• Average user rating: 3.5 stars out of 12 reviews

Manufacturer description: The Microsoft Windows 98 operating system is the upgrade to Windows that makes your computer work better and play better. It works better by making it simple to access the ... Read more

Specs: 1 user, Complete package, 260 MB, Intel 486 or higher 66 MHz, 24 MB, CD-ROM, VGA monitor, Mouse or compatible device, Intel 486 or higher, 66 MHz

• CNET Editor rating:
  Not yet rated
• Average user rating: 0 stars No reviews, write one!

Manufacturer description: Microsoft Windows Server 2008 is the most advanced Windows Server operating system yet, designed to power the next-generation of networks, applications, and Web services. With Windows Server 2008 you can ... Read more

Specs: Unlimited external users, External Connector License, 10 GB, 1 GHz, 512 MB, DVD-ROM, Keyboard, SVGA monitor, Mouse or compatible device, 1 GHz

• CNET Editor rating:
  Not yet rated
• Average user rating: 0 stars No reviews, write one!

Manufacturer description: SCO OpenServer brings to users a powerful modern operating system with large file support and kernel-level threading for greater application support. With speed and performance improvements due to the integration ... Read more

Specs: License and media, 1 GB, Intel Pentium, 64 MB, 6.0, CD-ROM, Intel Pentium

• CNET Editor rating:
  Not yet rated
• Average user rating: 0 stars No reviews, write one!

Manufacturer description: Reflection X connects Windows users to graphical and character-based applications on UNIX, Linux, OpenVMS, and Unisys systems. This high-powered PC X server with built-in GLX and terminal emulation support is ... Read more

Specs: 1 user, Complete package, Microsoft Windows XP, Microsoft Windows 2000, Citrix Presentation Server, Microsoft Windows 2000 Server, Microsoft Windows Server 2003, Microsoft Windows XP 64-bit Edition, Microsoft Windows Server Terminal Server, 14.0, Mouse or compatible device, OpenGL compatible graphics card, Windows

• CNET Editor rating:
  Not yet rated
• Average user rating: 0 stars No reviews, write one!

Manufacturer description: Designed for departmental and standard workloads, Windows Server 2003 R2 Standard Edition, delivers intelligent file and printer sharing, more secure Internet connectivity, centralized desktop policy management, and Web solutions that ... Read more

Specs: 5 CALs, 1 server (1-4 CPU), License and media, 1.25 GB, 133 MHz, 128 MB, CD-ROM, VGA monitor, 133 MHz

• CNET Editor rating:
  Not yet rated
• Average user rating: 0 stars No reviews, write one!

Manufacturer description: Microsoft Windows Small Business Server 2003 can help you automatically protect your business information, get 20% more done every day, reach your customers and serve them better, and quickly set ... Read more

Specs: 20 additional device CALs, License

• CNET Editor rating:
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• Average user rating: 0 stars No reviews, write one!

Manufacturer description: Windows Vista Home Premium is the preferred edition for home desktop and mobile PCs. It provides a breakthrough design that brings your world into sharper focus while delivering the productivity, ... Read more

Specs: 1 PC, Upgrade package, 40 GB, Intel x86 1 GHz, 1 GB, DVD-ROM, Sound card, 128 MB video memory, Internet connection, DirectX 9.0 compatible graphics card, Intel x86, 1 GHz

• CNET Editor rating:
  Not yet rated
• Average user rating: 0 stars No reviews, write one!

Manufacturer description: Microsoft Windows CE offers a rich set of features that you can use to customize a platform. Component services, networking capabilities, multimedia support, and many other capabilities are contained within ... Read more

Specs: 1 user, Version upgrade license, 5.0