setup-x86_64.exe --download --packages package1,package2 --local-package-dir "C:\Cygwin_Cache"
To create an offline repository, you need the Cygwin setup executable and a designated folder to store the package data. cygwin packages download offline
If you want a "Full" offline installer, you can toggle the "All" category from "Default" to Install , though this can exceed 20GB of data. setup-x86_64
Click Next to begin the download. Once finished, your Local Package Directory will contain a structured repository including a setup.ini file and subfolders for each package. Phase 2: Installing Offline on the Target Machine setup-x86_64.exe --download --packages package1