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The installer also uses a pared-down version of Windows 3.1. If you look carefully, you can notice the older Win 3.x window styles.

• TazeTSchnitzel 9y ago
  Yes, I think this remained the case up through Windows ME. It's interesting they didn't use a pared-down 95. Maybe they were worried about Protected Mode causing trouble?
  • dfox 9y ago
    Windows 3.1 always runs in some kind of protected mode, either in 16-bit PM on 286 or as a process inside 32b hypervisor-ish layer on 386 and up.
• iforgotpassword 9y ago
  That was also used when compressing the drive with DoubleSpace or whatever it was called on 95. Windows would reboot into a mode where the windows had win3.11 style and perform the drive conversion.
  • yuhong 9y ago
    DriveSpace. And yes, something similar to Windows 3.1 standard mode was used for both, often called mini-Windows.
    • jboles 9y ago
      If I remember correctly it was called DoubleSpace in Windows 3.1/DOS 6.2 and then due to some patent or licencing issue was renamed (and the compression algorithm modified) to DriveSpace in Windows for Workgroups 3.11/DOS 6.22.
      • yuhong 9y ago
        AFAIK it is part of DOS not Windows.