: Microsoft no longer officially distributes or sells Windows 98. Community Archives : Hobbyists often use sites like the Internet Archive to find "abandonware" versions of Windows 98 Second Edition (SE) ISOs or pre-made disk images. Boot Disks
offers multiple versions of Windows 98, including the Second Edition (SE), which is generally more stable for emulation. AllBootDisks windows 98 img file for limbo download
If you have a VMWare or VirtualBox VMDK file, convert it using qemu-img : : Microsoft no longer officially distributes or sells
Open Limbo and create a new machine profile with these recommended settings for stability: : x86 CPU Model : qemu32 or 486 CPU Cores : 1 AllBootDisks If you have a VMWare or VirtualBox
Legal Note: Windows 98 is proprietary software owned by Microsoft. Ensure you possess a valid license for the software you are emulating.
If you absolutely need a pre-built image, these community projects have been vetted (checksums available):