"Browsium does work with non-11 flavours of IE and with older versions of Windows 10."
Older versions of Windows, shurely.
Mighty Hewlett Packard has tapped a tiny browser startup spun up by ex-Microsofties to shift customers off the legacy Internet Explorer browser. HP will globally sell and implement management software from Browsium that lets customers run apps written for legacy versions of Microsoft’s browser in the new IE11. It’s the …
The fact that the software management only works on specific versions of Windows and IE is what tripped their "buy" trigger. Once upon a time to fully access HP's partner portal from 64 bit XP not only did you have to be running a specific version of IE - it had to be run as admin.