To install Spread Silverlight,
1. Save the downloaded ZIP file to a temporary directory on your system, and then unzip the files to a temporary directory.
2. Run the Spread WPF-Silverlight(Bits) or Spread WPF-Silverlight(Docs).exe (bits or documentation).
3. Select Install.
4. On the initial Welcome screen of the installation program, click Next.
5. On the License Agreement screen, select whether you agree to the license agreement. If you do, then click Next.
6. On the User Information screen, enter your name, and so on.
•If you are installing a licensed version of the product, type your Product Key in the field provided and click Next.
•If you are installing a trial version of the product, simply leave the Product Key field blank and click Next. (For more information, read Trial Version.)
7. Continue to choose from the various installation options, clicking Next when each step of the installation is complete.
Note: Near the end of the installation, the help file is installed on your system and registered. This process can take some time, and you might think that your system has stopped, but do not interrupt the installation process.
Note: If you experience issues installing under Microsoft Windows Vista, you may need to install as the administrator. If you are still unable to install, try disabling your User Account Control (UAC) and then reactivate after installing.