Automatically finds install.wim or install.esd files deep within subdirectories. Troubleshooting & Tips
Commonly found within Sergei Strelec’s WinPE boot disks, 78Setup (or 78Setup.exe) simplifies the process of installing Windows 7, 8, 8.1, and 10 from a set of distributions. What is 78Setup?
Because it runs completely in real-mode MS-DOS, it requires minimal system memory, making it highly compatible with actual vintage PCs (like Intel 486 or Pentium systems). How 78setup Works
Choose the drive partition where you want to install the OS. Apply Image:
Start small. Automate one part of your current setup today. Add validation. Add rollback. Then expand. Before you know it, you will have a battle-tested, portable, and reliable setup system that works every single time. 78setup
: If installing from a disk image, 78Setup can automatically install and use the driver to mount the image before proceeding. Key Features
Users can preload critical storage or CD-ROM drivers into the DOS environment to ensure the installation files remain accessible throughout the reboot cycles.
What are you using (e.g., Sergei Strelec, Hiren's BootCD, or a custom ADK build)?
Operators can access underlying storage utilities directly from the interface, such as triggering an on-demand refresh of connected HDDs or launching DiskPart in a dedicated window to wipe, format, or re-partition target drives before installation. Automatically finds install
[Root of Boot Drive] │ ├── 78setup.exe (or .bat) ├── DOS/ (System utilities) └── WIN98/ (Copy of the Windows 98 installation CD)
Because 78setup is designed to run exclusively inside a WinPE technician environment, you cannot open it directly from a standard running desktop. Instead, it is most famously bundled inside advanced, community-driven rescue toolkits like Sergei Strelec's WinPE Rescue Media.
: Identifies whether the active WinPE medium was initialized via legacy MBR BIOS or modern UEFI frameworks.
: Handles Windows 7 through Windows 10 (x86 and x64). Because it runs completely in real-mode MS-DOS, it
: If a standard "classic" installation environment is missing, the tool can pass the selected distribution and settings directly to the WinNTsetup 3. System Requirements & Environment Environment : Typically launched from a bootable USB. Hardware Information
Ideal for technicians who need to rapidly install various versions of Windows on different machines.
: Automatically detects and applies OEM installation folders and configuration scripts if they are present in the distribution directory. WinNTsetup Bridge
Most 78s were recorded in mono. Playing them back with a modern stereo cartridge can introduce phase issues and "vertical rumble" (noise caused by the stylus vibrating vertically rather than laterally).
78Setup's power comes from its flexibility and the central role of its configuration file, 78setup.cfg :
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