Watch install guide video. Use the following procedure to install DotCMS. 

Prerequistes:

1) Install Windows 2003 Server with IIS 6.0 enabled

2) Install Microsft SQL Server 2005 or later
You could get the free version Microsoft SQL Server 2005 Express Edition with Advanced Services. Make sure you install the all the features including Full-Text Search and Client Components. 

3) Install Microsoft .NET Framework 3.5

Install DotShoppingCart:

1) Download the install package and unzip all files into a local directory on your server

If you are running on Vista OS, make sure you run as administrator to get enough permission for the following steps.

2) Go to "Install" sub-directory of the unzipped directory and run

InstDotCMS.exe <database server name> <database name> <database data file path> 
[<smtp email server>] [<system email address>]

For example,

InstDotCMS.exe .\SQLExpress dotcms c:\dbdata mail.yourserver.com system@yourdomain.com

If you have space in your path, please add double quotes around the path.

3) Configure IIS and point the site or virtual directory to Web subdirectory

4) Grant the write permission of the file Web\DSC.config to "NT AUTHORITY\NETWORK SERVICE"