Yes, it is called dual booting. See these websites for more information:
http://apcmag.com/how_to_dualboot_vista_with_xp__stepbystep_guide_with_screenshots.htm
http://apcmag.com/how_to_dual_boot_vista_and_xp_with_vista_installed_first__the_stepbystep_guide.htm
No your windows 7 will not deleted
Two. One for Windows XP and one for Windows Vista.
There are many places where one might download a Windows Vista trial. One might download a Windows Vista trial from the official Microsoft website or CNet.
To download Windows Media Player for Vista one must open the Windows Microsoft website and then follow the instructions provided to download onto Vista.
There are many places where one can find Windows Vista themes to download. One can find Windows Vista themes to download at popular on the web sources such as the official Microsoft website and My Vista Themes.
windows xp is the only one i know
There are a few different options for one who wishes to get a trail download of Windows Vista. One can find a free trial on Softpedia as well as Softonic. If one chooses to purchase the full software that can also be done from these sites.
One can find information on Windows Vista Enterprise from many places. For instance, the official Microsoft website, BayconGroup, and PC Support all offer information on Windows Vista Enterprise.
Yes, 800 MHz is one (1) of the minimum requirements for upgrading your desktop PC or notebook, from Windows XP to Windows Vista. I received this information from Microsoft.com's, "Windows Vista System Requirements" page or section, whatever you want to call it. (NOTE: Windows Vista is not compatible with Windows 95, Windows 98, Windows ME, Windows NT Workstation 4.0, and Windows Server 2003 Student Edition) For more information on Windows Vista system requirements click on the link below, or copy and paste the link into your URL web browser: http://www.microsoft.com/windows/windows-vista/get/system-requirements.aspx
If a computer is running Windows Vista, it meets the system requirements for Windows 7. One can upgrade from Windows Vista to Windows 7 easily. Microsoft has prepared a webpage named as "Windows 7 Upgrade Advisor" for more information about the upgrade.
Yes. No operating system is 100% safe from viruses. Vista is one of the safest however. Windows Security Center, Windows Defender, and Windows Firewall, and User Account Control (UAC) are four of the ways in which Vista protects itself from malware.
The company PC Advisor gives a complete and detailed review on Windows Vista on its website. They also provide some user reviews, required specifications and prices of Windows Vista.