An incredible web server that’s built around you...

Internet Information Services (IIS) for Windows® Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS’s scalable and open architecture is ready to handle the most demanding tasks.

Try IIS Today!

Evaluate IIS today, with a free trial edition of Windows Server.


Centralized Web Farm Management

Deploy and manage Web sites and applications across large farms of Web servers from a central place.

Delegated Remote Management

Delegate site configuration management and publishing remote users.

Powerful Admin Tools

Configure and manage IIS 7 using a rich set of command-line, UI and programmatic APIs.


Scalable Web Infrastructure

Dynamically scale web farm capacity with HTTP-based load balancing and intelligent request routing.

Dynamic Caching and Compression

Improve performance by enabling high-speed dynamic caching and compression.

Rich Diagnostic Tools

Find and fix issues quickly and easily with powerful diagnostic tools.


Enhanced Server Protection

Maximize web server security through reduced server footprint and automatic application isolation.

Secure Content Publishing

Publish web content more securely using standards based protocols.

Access Protection

Protect your server from unauthorized access.


ASP.NET and PHP Support

Develop and deploy ASP.NET and PHP applications on the same server.

Modular and Extensible Web Server

Extend and customize IIS.

Integrated Media Platform

Deliver high fidelity experiences efficiently.


Go check out the Learn Center to get the latest information on IIS, stay up to date, and troubleshoot.

Expand with Extensions

Add new features to IIS today by downloading the official IIS extensions from Microsoft.