Windows Fundamentals for Legacy PCs is a legendary system released in 2005. It was one of the most operating system used at that time in an old PC.
Some images of Windows Fundamentals for Legacy PCs:
Download it here: https://archive.org/download/windows-flp/Windows%20FLP.iso
If it required you to enter a prompted product key, it was "JWTG2-3CB49-QKWCW-R9DW9-MCJMQ"
Minumum requirements : 1.2 GB RAM
Storage : minimum 2GB but recommended 15GB for other software
If you want to install multiple applications at one time, visit Ninite
Ninite : https://ninite.com
CRITICAL : DON'T TRY THIS OPERATING SYSTEM ON YOUR REAL MACHINE BECAUSE IT MAY BREAK YOUR COMPUTER. JUST TRY IT ON A VIRTUAL MACHINE