Install: Hyperspin 151 Upgrade Files Only

For the purist who builds cabinets with 4K displays or 64-bit Windows 11 environments: Yes.

The HyperSpin 151 upgrade files only install is the perfect surgical strike. It leaves your 500GB media collection intact, preserves your custom genre wheels, and simply replaces the engine block.

You will gain:

You will lose:

Purpose: Update an existing HyperSpin 1.4 or 1.5 base to version 1.5.1 without overwriting your settings, databases, or media. This is a files-only upgrade. hyperspin 151 upgrade files only install

You have now successfully performed a HyperSpin 151 upgrade files only install. You avoided the bloat. You kept your media. You upgraded the soul of your arcade machine without changing its body.

For the advanced user, this is the only civilized way to maintain a HyperSpin cabinet. Go launch a game of Street Fighter II or Donkey Kong. Notice how smooth the wheel spins now. You’re welcome.

Disclaimer: HyperSpin is abandonware. This guide is for digital preservation and archival of legally owned ROM sets. Always dump your own BIOS and ROMs from hardware you own.

It sounds like you’re looking for the HyperSpin 1.5.1 upgrade-only files (not the full installer) so you can patch an existing 1.4 or 1.5 setup. For the purist who builds cabinets with 4K

Here’s the direct answer:

Because you are doing a files only install (keeping your old 1.4 media), you may encounter specific bugs. Here is how to squash them.

Copy the remaining files from the temp folder into your real HyperSpin folder (e.g., C:\Hyperspin):

Do NOT overwrite:

Now that the files-only install is complete, you need to fix three things that version 1.5.1 inevitably breaks.

This is a pathing issue. Open HyperHQ.exe (included in the 1.5.1 files). Go to "Wheel Settings." Ensure your "Rom Path" and "Emulator Path" use absolute paths (e.g., D:\Emulators\MAME\mame64.exe) not relative paths.

Do not launch HyperSpin.exe yet. Launch HyperHQ.exe.