A popular project called Tiny10 specializes in these ultra-compact builds. While some older Tiny10 versions hovered near 600-900MB, most modern 64-bit Lite builds (like Tiny10 23H2) are approximately 3.6GB to ensure better software compatibility. Key Features of "Lite" ISOs
The system rebooted to a normal, unmodified Windows 10 desktop. The 700MB ghost was gone. The USB was blank. windows 10 700mb iso 64 bit
If you are looking for official or slightly larger "Lite" versions that are easier to use: Official ISOs : Standard Windows 10 ISOs from Microsoft require at least Lite Editions A popular project called Tiny10 specializes in these