I installed WSS 3.0 on a server the other day. I googled to find the installer package and found out that there was a SP2 slip-streamed package of WSS 3.0. So I downloaded and installed it on the Windows 2003 Server. These are the screens of installation: Click Advance For detailed steps on installation, refer these Technet articles: Install Windows SharePoint Services 3.0 on a stand-alone computer Deploy in a simple server farm (Windows SharePoint Services)
Practical notes on Microsoft 365, SharePoint Online, Entra, Azure and PowerShell - from an IT consultant who's been working with Microsoft technologies since 2004.