Steps to reproduce

1. Follow install instructions from Installing PowerShell on Windows
2. This will take you to PowerShell latest release page on Github
3. Download the MSI x64 version
4. Try launching the MSI and install PowerShell

Expected behavior

MSI installer shows and you get to install and run PowerShell.

Actual behavior

Windows Defender SmartScreen prevents installation because the MSI installer is not Microsoft signed ⁉

Environment data

OS: Microsoft Windows [Version 10.0.19042.746]