Allaire has released a free version (express) of the ColdFusion application server.

ColdFusion Express is an introductory version of ColdFusion that allows you to use basic ColdFusion functionality. When you need the more advanced ColdFusion features, you can upgrade to ColdFusion Enterprise or ColdFusion Professional.

To install and use ColdFusion Server 4.5 Express edition on Windows, your system must meet the following minimum requirements:

Windows 95/98 or Windows NT Server v 4.0 with Service Pack 4
Intel Pentium or higher
32 MB of RAM (64 recommended)
25 MB of free disk space
A World Wide Web server that supports the NSAPI, ISAPI, or WSAPI application programming interfaces (APIs). Specific Web servers that work with ColdFusion on the Windows platform include:
- Internet Information Server v4.0 or greater
- Netscape Enterprise Server v3.51 or greater
- Apache Web Server v1.3.6 or greater
- Microsoft Personal Web Server (PWS)
- WebSite Server API (WSAPI)
- Common Gateway Interface (CGI)
A CD-ROM drive

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