Dualboot into windows 9x

Hi guys, I can’t dual boot on windows 9x, it’s windows 98 and Windows me, I’m installing Windows 98, but installing Windows me I get an error: your computer already has an operating system installed, which cannot be updated by this version of setup. You need to obtain the Windows me upgrade. Message su0168

Try running setup.exe from the Windows ME setup drive in Windows 98.

AlexKo, Same error su0168