Windows 95
Product Key: 111111111-111111
Useful Files for windows 95
Source of ISO : https://archive.org/details/win95-27722
Windows 98
Windows 98SE ISO
Product Key: B8MFR-CFTGQ-C9PBW-VHG3J-3R3YW
Useful Files and information for windows 98SE
Windows Update fix : http://windowsupdaterestored.com/ (Thank you MJD for making a tutorial on this)
Windows ME
Windows ME ISO
Product Key: HBTD9-6P338-XT2MV-QBTTF-WPGGB
Useful files and information for windows ME :
Windows Update fix : http://windowsupdaterestored.com/