Internet Explorer 11 Desktop on Windows 10 Enterprise is now supported for NetWeaver
SAP NetWeaver supports IE11 Desktop for Windows 10 Desktop with the current Support Packages with latest corresponding corrections and patches.
For further information, see SAP Product Availability Matrix (PAM): https://service.sap.com/sap/support/pam
See also enterprise related information published by Microsoft:
What’s new in Windows 10: Browser: Microsoft Edge and Internet Explorer 11 (external link)