If you are selling a computer and wanted to make sure you took everything personal off or if you had a virus and wanted to make sure there were no traces left. Many other reasons too...
what are the reason why we need to reinstall windows
The reason why Windows 8 apps may stop working is that they have not been updated. You may be forced to reinstall the apps in order to get them working again.
You do not have to reinstall Windows if you wish to add an additional drive. If you want to be able to boot from that drive, or to replace your current boot drive, you will need to install Windows on it.
You will need to reinstall the operating system.
if you have original windows 7 disc, you can reinstall it if you have recovery windows 7 disc, you can fix it
Reinstall it.
If you have android installed you will need a clean Windows 7 DVD/USB and reinstall. Remember backup!
Windows Vista has a different sound than Windows XP. If you don't hear any sound at all, you may need to reinstall your audio driver.
Yes, you need a Windows Vista key code to reinstall Windows Vista. The key code is a 25-character code that is used to activate the Windows Vista operating system. It is usually printed on the product packaging or sent to you by email if you purchased it online. If you have lost your key code, you can purchase one from a website such as Microprokey .com which is known for selling genuine Microsoft products. With Microprokey, you can find a legitimate Windows Vista key code at an affordable price and get a 24/7 technical support service. Don't Mis 30% Off Coupon Code: MO30KEY
no
no
There is no rollback way to do it. You would need to reinstall XP fresh over the Vista install. Why do you want to do that anyway, is Vista not working for you?
Go to google throme and tpye windows 7