Shop for operating systems

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 2.5 stars out of 194 reviews

The Bottom Line: Microsoft makes an aggressive, forward-thinking, and bold statement for the future of PCs with Windows 8, and vast security and speed improvements more than justify the $40 upgrade price. Read review

Specs: Operating systems, Windows

• CNET Editor rating:
  4.5 stars Spectacular

  Overall score: 9.0 (4.5 stars)
• Average user rating: 3.5 stars out of 336 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: PC, Software suite

• CNET Editor rating:
  4.5 stars Spectacular

  Overall score: 9.0 (4.5 stars)
• Average user rating: 3.0 stars out of 89 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: PC, Software suite

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.8 (3.5 stars)
• Average user rating: 2.0 stars out of 515 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: PC

• CNET Editor rating:
  4.5 stars Spectacular

  Overall score: 9.0 (4.5 stars)
• Average user rating: 3.5 stars out of 49 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: Software suite, PC

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.4 (3.5 stars)
• Average user rating: 2.5 stars out of 379 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: PC

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.4 (3.5 stars)
• Average user rating: 2.0 stars out of 48 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: PC

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 3.0 stars out of 201 reviews

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

Specs: PC

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 4.0 stars out of 24 reviews

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.0 (3.5 stars)
• Average user rating: 1.5 stars out of 84 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: PC

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.2 (4.0 stars)
• Average user rating: 3.5 stars out of 112 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: Mac, Operating systems

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 2.5 stars out of 2432 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: PC

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 5.0 stars out of 1 review

Specs: PC

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 0 stars No reviews, write one!

Specs: PC

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 0 stars No reviews, write one!

Specs: PC

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 3.5 stars out of 183 reviews

The Bottom Line: The grace of Leopard's interface enhancements makes productivity more pleasurable with a Mac, as more than 300 functional and fun features top off this update. Read review

Specs: Mac

• CNET Editor rating:
  3.5 stars Very good

  Overall score: 7.8 (3.5 stars)
• Average user rating: 5.0 stars out of 1 review

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: PC

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 0 stars No reviews, write one!

Specs: PC

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 3.5 stars out of 90 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: PC

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 0 stars No reviews, write one!

Specs: PC

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 0 stars No reviews, write one!

Specs: PC

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 0 stars No reviews, write one!

Specs: PC, Operating Systems

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 3.5 stars out of 13 reviews

Specs: PC

• CNET Editor rating:
  4.0 stars Excellent

  Overall score: 8.0 (4.0 stars)
• Average user rating: 3.5 stars out of 34 reviews

The Bottom Line: Though its new user features have mixed appeal, Tiger's technological changes and speed improvements make this an enticing upgrade, especially for those who passed on Panther. Read review

Specs: Mac

• CNET Editor rating:
  0.0 stars

  Overall score: 0.0 (0.0 stars)
• Average user rating: 0 stars No reviews, write one!

Specs: PC