how to care our OS for long live.

How often do you think for safety about your Operating system when you're working on your PC? most likely not as often as you should.
Microsoft operating system support services with iYogi technician and get tips to Microsoft operating system like windows xp, windows vista and windows 7 etc troubleshooting and fix your Microsoft operating system problems.
The Microsoft Support offerings provide customers who have significant reserves in Microsoft technology with customised and pre-packaged support that can provide proactive services to help improve IT Health, reactive services when things go wrong, and various levels of Support Account Management.
If your Microsoft product was preinstalled, circulated with your computer, or if you obtained an upgrade directly from your computer manufacturer, your primary source for support is the personal computer manufacturer who provided your Microsoft software.