Ribbon Remover will allow you to disable Ribbon in Windows 10/8.1/8 Explorer . Aslo it has an unistaller to restore ribbon.
Ribbon Remover modifies your explorerframe.dll but makes backup. It is safe.
Here is example of Explorer without Ribbon and Title and Icon:
Operating System Support:
Windows 10 Windows 8.1 [X64_X86]
Malware/virus warning? Read the FAQ.
If its not work for you or you dont want to modify system files then try old new explorer from here.