Change ProductName to Windows 8.1 Professionalħ. Navigate now to HKLM\Software\Wow6432Node\Microsoft\Windows NT\CurrentVersionĥ. Change ProductName to Windows 8.1 ProfessionalĤ. Open regedit.exe and navigate to HKLM\Software\Microsoft\Windows NT\CurrentVersionĢ.
Guide to downgrade Windows 8.1 Enterprise to Professional:ġ.