More servicesWindows Live
Languages   |   Help


Get tools (often free) to help protect, optimize, and keep your PC safe from threats.

Featured Download:
Windows Live OneCare

This PC care service is always on, running quietly in the background. It helps give you round-the-clock protection and maintenance—virus scanning, firewalls, tune ups, file backups, the whole nine yards. Delivered to you in a smooth, hassle-free package.

Free trial
Try Windows Live OneCare free for 90 days to see how easy caring for your computer can be.

Full subscription
Get always-on protection and maintenance for up to 3 PCs for just $49.95 a year.


Test drive more of the future

Head over to Windows Live Betas to try a beta or two, and find out how Windows Live will make your online world a more seamless experience. Check out Windows Live Betas

More downloads

Windows Defender
You can help protect your PC from spyware and other potentially unwanted software with our new antispyware software.

Windows Live OneCare Family Safety
Help keep your kids safer on the Internet, with rules you personalize, and get tools to help monitor what they're doing online.

  • © 2008 Microsoft
  • Privacy
  • Legal
  • Help Central
  • Account
  • Feedback