: Developers use tools like NTLite or RT 7 Lite to strip away non-essential features, such as printer drivers, language packs, and Windows Media Center. Some extreme "Tiny7" builds have been shrunk to under 100MB, though they are often broken and cannot run most software.
Leo learned his first lesson: A Windows 7 ISO is typically 3–4 GB because the install.wim file is already a heavily compressed, sector-aligned disk image. "Highly compressing" it further using 7-Zip Ultra LZMA2 usually yields only 10–15% savings. The mythical 90% compression? Almost always a malware trap or a stripped-down "Lite" edition that removed essential drivers, languages, and Windows Defender. windows 7 iso highly compressed
Removing components can cause blue screens (BSODs) or make the system unable to install future updates. Better Alternatives: : Developers use tools like NTLite or RT
A 8GB USB 2.0 drive costs less than $5. Instead of compressing a Windows 7 ISO, buy a larger drive. The time spent troubleshooting compression failures is worth more. "Highly compressing" it further using 7-Zip Ultra LZMA2