Cygwin Get that feeling - on Windows Installing and Updating Cygwin Packages Installing and Updating Cygwin for 64-bit versions of Windows Run any time you want to update or install a Cygwin package for 64-bit windows. The for can be used to verify the validity of this binary using public key. Installing and Updating Cygwin for 32-bit versions of Windows Run any time you want to update or install a Cygwin package for 32-bit windows. The for can be used to verify the validity of this binary using public key. General installation notes When installing packages for the first time, setup*. Garrison Keyless Entry Deadbolt Lock Manual Garage. exe does not install every package. Only the minimal base packages from the Cygwin distribution are installed by default, which takes up about 100 MB. Clicking on categories and packages in the setup*.exe package installation screen allows you to select what is installed or updated.