# I/O API installation confusion! **URL:** \ **Category:** I/O API\ **Created:** [March 1, 2019, 10:03am UTC](https://forum.cmascenter.org/t/i-o-api-installation-confusion/548 "2019-03-01T10:03:10Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![sahir](https://avatars.discourse-cdn.com/v4/letter/s/7cd45c/32.png) [@sahir](https://forum.cmascenter.org/u/sahir)\ **Post date:** [March 1, 2019, 10:03am UTC](https://forum.cmascenter.org/t/i-o-api-installation-confusion/548/1 "2019-03-01T10:03:10Z")
I have downloaded the tar file for I/O API and did the untar process. Now I am doing ./configure , make and make install process like we install other libraries. But it’s not working. Please help me with this. Thanks ---
**Author:** ![cjcoats](https://avatars.discourse-cdn.com/v4/letter/c/ac8455/32.png) [@cjcoats](https://forum.cmascenter.org/u/cjcoats)\ **Post date:** [March 1, 2019, 4:04pm UTC](https://forum.cmascenter.org/t/i-o-api-installation-confusion/548/2 "2019-03-01T16:04:53Z")
Please see the installation manual, available at [https://cjcoats.github.io/ioapi/AVAIL.html](https://cjcoats.github.io/ioapi/AVAIL.html) and [https://www.cmascenter.org/ioapi/documentation/all\_versions/html/AVAIL.html](https://www.cmascenter.org/ioapi/documentation/all_versions/html/AVAIL.html). Note that a **lot** of the installation process is dependent upon choices of Fortran compiler and compile-flags, and that multiple simultaneous installations (bsed on choice of compilers, debug-, profile-, or not,…) are supported–something that GNU _autoconf_ does not handle cleanly. ``` Carlie J. Coats, Jr., Ph.D. I/O API author/maintainer Senior Software Engineer cjcoats@email.unc.edu UNC Institute for the Environment www.ie.unc.edu 100 Europa Dr., Suite 490 / Campus Box 1105 Tel 919.843.5951 Chapel Hill, NC 27599-1105 Fax 919.966.9920 ```