If you cannot use a USB boot method, third-party tools claim to offer "native" Windows jailbreaking based on the checkra1n/checkm8 exploit. Note that these are checkra1n products.
Consequently, any executable online claiming to be a "portable native Windows checkra1n installer" is illegitimate and highly likely to be malware. 3. Safe Execution Methods for Windows Users checkra1n 012 1 beta windows download portable
: Another minimal Linux distribution designed specifically to run checkra1n on Windows hardware with very low storage requirements (it can often fit on a 2GB flash drive). If you cannot use a USB boot method,