98 SE: RW9MG-QR4G3-2WRR9-TG7BH-33GXB

Windows 98 Second Edition: K8MTM-Y9PG6-VRQVG-MHDKJ-JG8C6
Windows 98 Second Edition Upgrade: VPVDT-FVCHY-CWBP3-JP6Y6-7398Q
Windows 98: FT9CH-XVXW7-7BFCM-RPR49-VDHYD
Windows 98 Upgrade: GJ43B-QW8KC-T8H63-M3782-JRW34