‎Internet Explorer 3.0 Build 503

4.40.503
	Internet Explorer 3.0 的版本
	屏幕截图
编译日期	1995-12-5
关于对话框	文件:InternetExplorer3.0-4.40.503-About.png

Internet Explorer 3.0 build 503 is the earliest available build of Internet Explorer 3.0. It is included in the Microsoft Sweeper SDK.^[1]

New features and changes

Compared to Internet Explorer 2 build 503, as well as the official Alpha release of Internet Explorer 3, this build contains a View Code button in the toolbar.
A new "Code..." option has been added to the View menu.
This build calls itself "Microsoft Internet Explorer Alpha", however this name only shows up if the user opens and then closes the Options menu.