You can directly update your Windows 8 through internet. You must have the admin rights.
Re installing the Windows OS without formatting the disk will keep your files safe. Only the system files will be rewirtten no change will be to the data files. But files stored in My Documents and Desktop will be lost if you are going for a clean installation. Download Recover My Files software to recover your old files after a system crash.
There are several emulators to run other systems software on Windows, but there is nothing decent (as in working reliably with any software) for running Mac OS X software on Windows.
All the files under C:\Windows, which is what contains the OS.
C:\windows
In the Windows OS it is Windows Explorer.
No - it works only on windows OS
"Yes, you can run a Windows OS on a Mac notebook with the right software. There are programs such as Bootcamp that allow you to create a partition and install Windows OS."
In Mac OS X, you can right-click the file and select the Archive or Compress option.In Windows, you can use software such as ZipGenius.
Windows Vista is an OS, so it's software.
Updating to the latest version of Mac OS X will provide you with the latest printer software. HP keeps a selection of software for various versions of Mac OS X. (See links below)
Software is written to work with a particular operating system. Windows software requires the Windows operating system and Mac software requires Apple's Mac OS X. The two are not interchangeable. A Mac can run the Windows operating system and thus Windows software but Mac OS X can only be used on Apple's own computers.
Windows software generally should not have viruses - BUT - weaknesses in the OS are exploited by virus authors to attack computers running Windows OS.