In other words, is it safe for users to stay on Windows 8, which is almost one year old — or, for that matter, on Windows 7, which is nearly on its fourth birthday?
See also:
Microsoft Windows 8.1 (Part-1)
Microsoft Windows 8.1 (Part-2)
By design, the latest version of any operating system is usually the most secure. The security fixes and enhancements Microsoft has baked into Windows 8.1 make it the most secure version of Windows to date.
How Windows 8.1 beats Windows 8 in security
Those improvements in Windows 8.1 include better authentication, stronger encryption, remote wiping, enhanced malware detection and enhanced data protection, all of which make it harder for the bad guys to exploit bugs in the software.
But does all that mean users of Windows 8 or Windows 7 should upgrade to the new platform?
"Windows 8.1 plugs the holes that were left in Windows 8," said Rob Enderle, principal analyst for the San Jose, Calif.-based market-research firm The Enderle Group.
"If you're security concerned, your best bet is always to be on the latest platform, for two reasons," Enderle said. "It has the patches that the prior version didn't get, and the folks that are attacking the product typically attack the down-level product."
People who worry about security, and who are already on Windows 8, should go ahead and take advantage of the free upgrade to Windows 8.1, he said.
"They'll also definitely like the improvements in 8.1 in terms of navigating around," Enderle said, "and there are improvements as to how 8.1 handles applications as well."
No touchscreen, no need to upgrade from Windows 7
But it's a different story for users running Windows 7.
"It's a bit harder to argue [for] upgrading to Windows 8.1 from Windows 7, because it's a UI [user interface] change," Enderle said. "A lot of people struggle with a UI change."
In addition, Enderle said, Windows 8.1 works best with touchscreen Windows devices — products most people running Windows 7 don't have. (Upgrading from Windows 7, Vista or XP will cost at least $120.)
"If Windows 7 users want to upgrade to Windows 8.1, they're probably better off getting a new PC," he said. "I would hang on to Windows 7 until they get a touchscreen product."
Roger Kay, principal analyst at Endpoint Technologies Associates in Massachusetts, said some phone and tablet vendors felt Windows 8.1 was an improvement over other versions of Windows, at least on mobile devices.
"'Windows 8.1 is substantially better in [the tablet-only] RT version,'" Kay said. "That's from notes of a conversation I had with an OEM phone maker that also makes tablets. That makes sense to me.
"If you think of [Windows 8.1] as a revision to 8.0, which was already a radical departure from what people are used to," he said, "then 8.1 is a smoothing out of some of the rougher parts of 8.0. So for the touch versions [of devices], it's working better."
For the majority of Windows users — not those forward-looking tablet pioneers on the hunt for a quick mobile boot time and a competitor to Apple's iOS — Windows 7 is more appropriate.
Will Windows 7 get Windows 8.1's improvements?
Kay expects that some of Windows 8.1's security features will be back-ported to Windows 7.
"In terms of security, Microsoft is required to keep all of its supported operating systems up to date," Kay said. "So if there is some substantial security situation, and the architecture of Windows 8.1 can be secured a certain way and is so much better than Windows 7, Microsoft would migrate those capabilities to Windows 7 as part of a point release there."
Kay said continuing to use Windows 7 on desktops and notebooks makes the most sense, because Windows 8.1 is better for touchscreen devices.
But for owners of touchscreen laptops and desktops, and for users of Microsoft's Surface RT and other Windows RT-based tablets, Windows 8.1 is probably the best way to go.
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