There are two options to choose from during the Windows 7 installation process: Boot to the Install CD and choose Custom for a clean installation.
Upgrade. This option replaces your current version of Windows with Windows 7, and keeps your files, settings, and programs in place on your computer.
Custom. This option replaces your current version of Windows with Windows 7, but doesn't preserve your files, settings, and programs. It's sometimes referred to as a clean installation for that reason.
You can re-install Windows 7 (or a different OS over Windows 7) by mounting an ISO disc file to your ROM drive or by placing the Windows 7 (or a different OS) installation disc into your physical ROM drive. When you install Windows over Windows it will create a Windows.old folder in your C drive directory which contains all of your old files from your previous installation.
If you have Windows 7 Professional, Enterprise, or Ultimate you can install Windows XP Mode. Or if you want to downgrade you can do a clean install of Windows XP with an installation disk.
You can't install XCode or its SDK on the windows. All you can is create a virtual machine, install Mac OS X there and then install XCode and SDK.
Yes, you need to install Windows 7 onto Bootcamp (which comes free with the mac) or parallels, which you can buy. Then you can boot into Windows 7 or Mac OS X.
Good question, it really depends on the 2nd Operating System you want to install... If it is a Windows based OS you will need to Install the OS on a second drive or a new partition on your existing Hard Drive. If you are installing another OS like Linux it will give you a choice to install a boot loader that will allow a menu to switch to another OS at boot time. Here is an install guide for Vista http:/www.kapcom.com.au/How-to-install-Windows-Vista.html this is almost identical to Windows 7 Install. In a nutshell you can install a second OS without hurting your current install. More info required please
Yes, you can. As far as you already have OS of older generation installed you can run the upgrade DVD.
I just did a clean install of Windows 7's Release Candidate, and my hard drive had 11.7GB used.
A clean install is when you would have it turned on for the first time. There is nothing else there but windows stuff. If you want to 'refresh' your windows files, consider re-formatting
Yes, the installer will allow you to both upgrade and format with a clean install in all cases.
The best way is to fit a new graftics card so you can use win 7 aero display and thn install as with any os.
Windows 7 is named Windows 7.
XP, if you can scratch Vista and go for Windows 7