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Jan 10, 2026

This article is part of the Quake PC series.
Building a Quake PC: OS and Tools

With a machine able to POST it was time to install an operating system. There is not really much of a debate about which one to pick.

Windows 98 SE

I made a mistake when I decided to get the software in the original boxes. The version of Windows 98 was still sealed. And I could not get myself to crack it open. So I did the only logical thing. I bought it again in the OEM version.

Sadly no bootable CD but it came with a boot floppy that automatically configured the CD drive. The installation was as smooth as I remembered it.

iso to zso converter

I was always amazed by the quality of Microsoft stuff from that era. Back then, you could take the HDD out of an old machine, insert it in a completely different PC, and the thing would boot all the way to a 640x480 desktop. All you had to do was install a few drivers.

Installing Drivers

Windows 98 came with support for the Matrox Mystique out-of-the-box. I only had to use the drivers that came with the SoundBlaster Live and network card to get them working.

Networking

iso to zso converter

The next thing I wanted to be able to do was transferring files from/to the Quake PC. All I had to do was to enable File Sharing in Windows 98 and check the SMB 1.0 option in Windows 11 Features list.

Once again, I tip my hat to Microsoft for its remarkable focus on backward compatibility. That being said, transfer speed was slower than I anticipated. So I only transferred a single file, ftpserver3pro.zip for Quick ‘n Easy FTP Server Pro. It is a marvel of a stand-alone FTP server with blazing fast transfer speed.

The only weird thing about it is that it is skinned for Windows XP so you get a little bit of a visual mismatch. Overall it is well worth it given how useful it is.

If you don't have a Windows machine available, you can also just run an FTP server and use Internet Explorer to download Quick ‘n Easy FTP Server Pro. Modern browsers have dropped support for FTP but IE4 will have it forever!

Essentials tools

iso to zso converter

The latest version of winrar supporting Windows 98 is wrar311.exe. It allows to decompress anything that was ever compressed (except 7z :/). I also followed the example of LGR[2] and register my version after all these years of free-loading.

Iso To Zso Converter Official

ISO → ZSO Converter — Overview and Implementation Guide

Best ISO to ZSO Converters in 2024-2025

Not all tools are created equal. Here are the three best utilities for the job.

4. Online converters? Avoid them.

While they exist, uploading a 4 GB game to a random website is a privacy and legal gray zone. Stick to local tools. iso to zso converter

"maxcso command not found"

4. The Conversion Process: Step-by-Step

Converting an ISO to ZSO is a lossless transformation (the original data bits are fully recoverable). The general workflow is: ISO → ZSO Converter — Overview and Implementation

3. Why Convert ISO to ZSO? Primary Motivations

"My emulator doesn't recognize .zso files"

"How do I convert ZSO back to ISO?"