PS C:\Users\Lemon\Downloads> .\setup-x86_64.exe -h

PS C:\Users\Lemon\Downloads> Cygwin setup 2.897

Command Line Options:

    --allow-unsupported-windows    Allow old, unsupported Windows versions

 -a --arch                         Architecture to install (x86_64 or x86)

 -C --categories                   Specify entire categories to install

 -o --delete-orphans               Remove orphaned packages

 -A --disable-buggy-antivirus      Disable known or suspected buggy anti virus

                                   software packages during execution.

 -D --download                     Download packages from internet only

 -f --force-current                Select the current version for all packages

 -h --help                         Print help

 -I --include-source               Automatically install source for every

                                   package installed

 -i --ini-basename                 Use a different basename, e.g. "foo",

                                   instead of "setup"

 -U --keep-untrusted-keys          Use untrusted keys and retain all

 -L --local-install                Install packages from local directory only

 -l --local-package-dir            Local package directory

 -m --mirror-mode                  Skip package availability check when

                                   installing from local directory (requires

                                   local directory to be clean mirror!)

 -B --no-admin                     Do not check for and enforce running as

                                   Administrator

 -d --no-desktop                   Disable creation of desktop shortcut

 -r --no-replaceonreboot           Disable replacing in-use files on next

                                   reboot.

 -n --no-shortcuts                 Disable creation of desktop and start menu

                                   shortcuts

 -N --no-startmenu                 Disable creation of start menu shortcut

 -X --no-verify                    Don't verify setup.ini signatures

    --no-version-check             Suppress checking if a newer version of

                                   setup is available

 -O --only-site                    Do not download mirror list.  Only use sites

                                   specified with -s.

 -M --package-manager              Semi-attended chooser-only mode

 -P --packages                     Specify packages to install

 -p --proxy                        HTTP/FTP proxy (host:port)

 -Y --prune-install                Prune the installation to only the requested

                                   packages

 -K --pubkey                       URL of extra public key file (gpg format)

 -q --quiet-mode                   Unattended setup mode

 -c --remove-categories            Specify categories to uninstall

 -x --remove-packages              Specify packages to uninstall

 -R --root                         Root installation directory

 -S --sexpr-pubkey                 Extra public key in s-expr format

 -s --site                         Download site URL

 -u --untrusted-keys               Use untrusted saved extra keys

 -g --upgrade-also                 Also upgrade installed packages

    --user-agent                   User agent string for HTTP requests

 -v --verbose                      Verbose output

 -V --version                      Show version

 -W --wait                         When elevating, wait for elevated child

                                   process