Earlier quoted context omitted.
While this is a small problem for software (and hardware) that needs custom kernel drivers, or software that needs to run as administrator, you seem to have jumped a long way past that to rant about FOSS on Windows with no justification- general unsigned software works just fine on Windows as it always has.
"works just fine on Windows as it always has" is just not true. These days, I cannot even run my own cross-compiled Go executables of a cross-platform tool that I am developing in private on Windows 10 or 11, because some blue popup from Windows Defender/"SmartScreen" prevents me from doing so, and tells me to contact the software publisher if I'd like to be able to do something about it. Outright disabling Defender/…
File Settings > This file come from another computer: Unblock
PowerShell > Unblock-File
Add your smb file share as trusted: Internet Properties > Security > Local Intranet > Sites
I hate it too that you need to sign software that you want to publish. Totally destroys the economics of little shareware type software.