Manually Installing Dotnetfx.exe from a Share or Web Site
A user can run and install Dotnetfx.exe on the computer on which he or she wants to deploy and run a .NET Framework application. In order to install Dotnetfx.exe, the user must have administrator privileges on the computer. You can direct users to a download location for Dotnetfx.exe on a network share, a corporate intranet site, or the Microsoft Web site. If you direct users to the Microsoft Web site, Dotnetfx.exe is available from the Microsoft MSDN Download Center or the Microsoft Windows Update Web site (www.windowsupdate.microsoft.com/default.htm).
See Also
Redistributing the .NET Framework | Dotnetfx.exe Deployment Scenarios | Minimum Configuration Requirements