For the full experience, including the Windows Embedded CE 6.0 R3 ISO (which contains the emulator and Platform Builder), the Internet Archive is the most reliable modern repository.
Getting the up and running today is a bit of a retro-tech puzzle. Since Microsoft has moved on to modern IoT platforms, finding an official, working download link requires looking into archived tools and legacy development environments. 1. Where to Find the Download Link microsoft+windows+ce+60+device+emulator+download+link
Sites like Software Informer host older versions of the standalone emulator executable. 2. Required Components for Installation For the full experience, including the Windows Embedded CE 6
To actually use the emulator for development or testing, you typically need a specific stack of legacy software: Windows Embedded CE 6.0 Platform Builder Service Pack 1 For the full experience