# \#install **URL:** https://discuss.ocaml.org/tag/install/508.md [Latest](https://discuss.ocaml.org/latest.md) · [Categories](https://discuss.ocaml.org/categories.md) · [Tags](https://discuss.ocaml.org/tags.md) --- ## [\[ANN\] oui: multi-platform binary installers](https://discuss.ocaml.org/t/ann-oui-multi-platform-binary-installers/17886)
**Author:** [@NathanReb](https://discuss.ocaml.org/u/NathanReb)\ **Replies:** 3\ **Last updated:** [April 26, 2026, 2:04pm UTC](https://discuss.ocaml.org/t/ann-oui-multi-platform-binary-installers/17886 "2026-04-26T14:04:24Z")
We are happy to announce the first release of oui! oui is a tool that generates multi-platform binary installers for your OCaml applications. It can generate installers for Windows, Linux and MacOS. We hope it will hel… --- ## [When following install instructions for windows topkg and ocp-indent fail to compile](https://discuss.ocaml.org/t/when-following-install-instructions-for-windows-topkg-and-ocp-indent-fail-to-compile/17514)
**Author:** [@W\_F](https://discuss.ocaml.org/u/W_F)\ **Replies:** 15\ **Last updated:** [December 3, 2025, 4:53pm UTC](https://discuss.ocaml.org/t/when-following-install-instructions-for-windows-topkg-and-ocp-indent-fail-to-compile/17514 "2025-12-03T16:53:03Z")
Hello, I’ve been trying to follow the installation instructions at Installing OCaml · OCaml Documentation using MinGW through MSYS2, and almost everything compiles except topkg and ocp-indent. the log when I try to insta… --- ## [Introducing \`oui\`](https://discuss.ocaml.org/t/introducing-oui/17364)
**Author:** [@NathanReb](https://discuss.ocaml.org/u/NathanReb)\ **Replies:** 4\ **Last updated:** [October 10, 2025, 12:39pm UTC](https://discuss.ocaml.org/t/introducing-oui/17364 "2025-10-10T12:39:17Z")
At OCamlPro we’re happy to announce our new ongoing project funded by the CEA-List: ocaml-universal-installer or oui! oui’s goal is to help teams developping applications in OCaml to package them for their users outside… --- ## [Windows installers that don't need network access](https://discuss.ocaml.org/t/windows-installers-that-dont-need-network-access/15564)
**Author:** [@yallop](https://discuss.ocaml.org/u/yallop)\ **Replies:** 4\ **Last updated:** [November 6, 2024, 6:57pm UTC](https://discuss.ocaml.org/t/windows-installers-that-dont-need-network-access/15564 "2024-11-06T18:57:28Z")
Are there any OCaml installers for Windows that can run in an environment without network access? --- ## [Traditional standalone OCaml 5.2.0 setup program for Windows 10](https://discuss.ocaml.org/t/traditional-standalone-ocaml-5-2-0-setup-program-for-windows-10/14787)
**Author:** [@s17227213417](https://discuss.ocaml.org/u/s17227213417)\ **Replies:** 2\ **Last updated:** [June 14, 2024, 11:48am UTC](https://discuss.ocaml.org/t/traditional-standalone-ocaml-5-2-0-setup-program-for-windows-10/14787 "2024-06-14T11:48:09Z")
Currently, there’s no way to install latest version of OCaml (5.2.0) on Windows 10 easily (like Python). It will be extremely helpful for beginners if a simple standalone/offline OCaml 5.2.0 setup program is provided s… --- ## [Stdune fails to compile](https://discuss.ocaml.org/t/stdune-fails-to-compile/14542)
**Author:** [@pigeonsownme](https://discuss.ocaml.org/u/pigeonsownme)\ **Replies:** 6\ **Last updated:** [April 23, 2024, 2:14pm UTC](https://discuss.ocaml.org/t/stdune-fails-to-compile/14542 "2024-04-23T14:14:11Z")
Output of opam install stdune : #=== ERROR while compiling stdune.3.15.0 ======================================# # context 2.1.5 | linux/x86\_64 | ocaml.5.1.1 | https://opam.ocaml.org#f2df0b10 # path ~/.opam/d… --- ## [Install C headers for C library](https://discuss.ocaml.org/t/install-c-headers-for-c-library/13405)
**Author:** [@\_II](https://discuss.ocaml.org/u/_II)\ **Replies:** 2\ **Last updated:** [November 13, 2023, 10:57am UTC](https://discuss.ocaml.org/t/install-c-headers-for-c-library/13405 "2023-11-13T10:57:24Z")
Hello, In my setup, I have Coq extract to OCaml which I then compile as a C library with the following setup: (coq.extraction (prelude bitflip) (extracted\_modules bitflip)) (executable (name CAPI) (foreign\_stubs (… --- ## [Utop sends "Alert deprecated: module Base.Format"](https://discuss.ocaml.org/t/utop-sends-alert-deprecated-module-base-format/13365)
**Author:** [@carotte\_sauvage](https://discuss.ocaml.org/u/carotte_sauvage)\ **Replies:** 2\ **Last updated:** [November 3, 2023, 4:04pm UTC](https://discuss.ocaml.org/t/utop-sends-alert-deprecated-module-base-format/13365 "2023-11-03T16:04:06Z")
Hi, On this page Real World OCaml, I tried to follow the instructions to : Install and set up opam Install librairies and tools Set up my editor (I use Emacs) The step 2) asks me to execute this command : opam inst… --- ## [Opam install ocsigen-start failed](https://discuss.ocaml.org/t/opam-install-ocsigen-start-failed/11879)
**Author:** [@Gub](https://discuss.ocaml.org/u/Gub)\ **Replies:** 2\ **Last updated:** [April 4, 2023, 3:55pm UTC](https://discuss.ocaml.org/t/opam-install-ocsigen-start-failed/11879 "2023-04-04T15:55:42Z")
Hi, New in Ocaml world, the installation of ocsigen-start package failed; I believe that something is wrong about dependencies but I don’t have any clues :thinking:. ~$ opam config report # opam config report # opam-ve… --- ## [Ocaml base compiler failing to build](https://discuss.ocaml.org/t/ocaml-base-compiler-failing-to-build/9676)
**Author:** [@felipe-godoi](https://discuss.ocaml.org/u/felipe-godoi)\ **Replies:** 4\ **Last updated:** [April 16, 2022, 12:18pm UTC](https://discuss.ocaml.org/t/ocaml-base-compiler-failing-to-build/9676 "2022-04-16T12:18:37Z")
I’m following the Real World Ocaml tutorial but when I try to create an env using opam switch create 4.13.1 it says that “the compilation of ocaml-base-compiler.4.13.1 failed” I searched similar issues but none of them … --- ## [How to install OCaml 5.00.0+trunk using opam?](https://discuss.ocaml.org/t/how-to-install-ocaml-5-00-0-trunk-using-opam/9367)
**Author:** [@shonfeder](https://discuss.ocaml.org/u/shonfeder)\ **Replies:** 6\ **Last updated:** [February 19, 2022, 10:41pm UTC](https://discuss.ocaml.org/t/how-to-install-ocaml-5-00-0-trunk-using-opam/9367 "2022-02-19T22:41:06Z")
I’m hoping to play around with multicore, but I’m quite stuck trying to install OCaml 5, and searching hasn’t been able to turn up any set of clear instructions detailing how to create a switch for this purpose. I’m hopi…