Useful for lightweight testing environments where you don't want to dedicate large amounts of disk space to a guest OS. Risks and Critical Drawbacks

Let me know which of those topics would be helpful, and I’ll write a full, original essay for you.

Third-party ISOs can be laced with malware , such as "clippers" that steal cryptocurrency or remote access trojans (RATs).

dism /Export-Image /SourceImageFile:install.wim /SourceIndex:1 /DestinationImageFile:install.esd /Compress:recovery

Remember: There is no free lunch in software. A 300 MB “full Windows” is a myth. But a is achievable – and now you know exactly how to get one safely.

Instead of downloading sketchy compressed files, you can create your own "slim" version or download the official image: How to reduce the size of windows OS Iso file? - Super User

Disclaimer: Many of the sources listed below host modified operating systems which may violate Microsoft’s terms of service or contain malware. Proceed at your own risk.

Only after a clean VM test should you consider installing on real hardware.