It appears to be unavailable directly. You will have extract it from our github repository. This looks like it tells how to do it. https://stackoverflow.com/questions/791959/download-a-specific-tag-with-git > Dear, > I want to download the "netcdf-4.2.1.1.tar.gz",but i can not found the > link.can u send me the files? > thank you a lot > Best wishes for you > yezhi qin > 2017.12.21 =Dennis Heimbigner Unidata Ticket Details =================== Ticket ID: TRL-955893 Department: Support netCDF Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.