# \#installation

**URL:** https://discourse.slicer.org/tag/installation/219.md

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

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## [3D Slicer won't open due to libssl on Ubuntu 24.04 LTS](https://discourse.slicer.org/t/3d-slicer-wont-open-due-to-libssl-on-ubuntu-24-04-lts/46987)

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**Author:** [@dvijay](https://discourse.slicer.org/u/dvijay)\
**Replies:** 4\
**Last updated:** [May 11, 2026, 4:35pm UTC](https://discourse.slicer.org/t/3d-slicer-wont-open-due-to-libssl-on-ubuntu-24-04-lts/46987 "2026-05-11T16:35:52Z")

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OS: Ubuntu 24.04.3 LTS Slicer: 5.10.0-linux-amd64 Installation method: cd ~/Downloads tar -xvf Slicer-5.10.0-linux-amd64.tar.gz sudo mv ./Slicer-5.10.0-linux-amd64 /opt/Slicer-5.10.0-linux-amd64 sudo apt-get install l…

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## [TotalSegmentator fails to install PyTorch dependencies – installTorch() got unexpected keyword argument 'torchVisionVersionRequirement'](https://discourse.slicer.org/t/totalsegmentator-fails-to-install-pytorch-dependencies-installtorch-got-unexpected-keyword-argument-torchvisionversionrequirement/46911)

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**Author:** [@Madison\_Golledge](https://discourse.slicer.org/u/Madison_Golledge)\
**Replies:** 9\
**Last updated:** [May 5, 2026, 11:40am UTC](https://discourse.slicer.org/t/totalsegmentator-fails-to-install-pytorch-dependencies-installtorch-got-unexpected-keyword-argument-torchvisionversionrequirement/46911 "2026-05-05T11:40:08Z")

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I’m trying to use the TotalSegmentator extension in 3D Slicer for segmenting an MRI dataset, but I’m running into a consistent error during the dependency installation step. When clicking “Apply” in the TotalSegmentator…

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## [Breaking Linux downloads](https://discourse.slicer.org/t/breaking-linux-downloads/44342)

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**Author:** [@abitrolly](https://discourse.slicer.org/u/abitrolly)\
**Replies:** 5\
**Last updated:** [October 30, 2025, 7:34pm UTC](https://discourse.slicer.org/t/breaking-linux-downloads/44342 "2025-10-30T19:34:56Z")

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Unable to download 3D Slicer for Linux. $ wget -c https://slicer-packages.kitware.com/api/v1/item/67c51fc129825655577cfee9/download Saving 'download' Just got 32571392 of 402316524 bytes (https://slicer-packages.kitware…

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## [Install 3D Slicer in MacOSX](https://discourse.slicer.org/t/install-3d-slicer-in-macosx/37444)

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**Author:** [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Replies:** 4\
**Last updated:** [July 18, 2024, 8:43pm UTC](https://discourse.slicer.org/t/install-3d-slicer-in-macosx/37444 "2024-07-18T20:43:45Z")

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Dear All, I try to install 3D Slicer in my macos. But then I got the pop up My version os is 10.12.6. Which version 3D slicer should I install?

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## [Error installing PyRadiomics](https://discourse.slicer.org/t/error-installing-pyradiomics/35105)

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**Author:** [@UnknownIta](https://discourse.slicer.org/u/UnknownIta)\
**Replies:** 3\
**Last updated:** [March 27, 2024, 5:12pm UTC](https://discourse.slicer.org/t/error-installing-pyradiomics/35105 "2024-03-27T17:12:47Z")

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I’m trying to download Radiomics but I ran into this error. Can anyone explain to me how I can solve this? Thank you in advance Install target: install C:\\Users\\AppData\\Local\\Temp\\pip-install-2mkjrouf\\simpleitk af1blh…

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## [Slicer fresh build crash start, but executes with sudo permissions](https://discourse.slicer.org/t/slicer-fresh-build-crash-start-but-executes-with-sudo-permissions/32978)

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**Author:** [@acsenrafilho](https://discourse.slicer.org/u/acsenrafilho)\
**Replies:** 14\
**Last updated:** [December 1, 2023, 10:07pm UTC](https://discourse.slicer.org/t/slicer-fresh-build-crash-start-but-executes-with-sudo-permissions/32978 "2023-12-01T22:07:49Z")

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Hi Slicers! I am quite embarrassed to ask this, but I have tried to find this topic on the forum and rebuilding Slicer several times with slightly different options. However, it still continues to happen. The problem i…

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## [Slicer-5.0.x stable downloads](https://discourse.slicer.org/t/slicer-5-0-x-stable-downloads/24278)

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**Author:** [@smrolfe](https://discourse.slicer.org/u/smrolfe)\
**Replies:** 12\
**Last updated:** [August 29, 2023, 7:54am UTC](https://discourse.slicer.org/t/slicer-5-0-x-stable-downloads/24278 "2023-08-29T07:54:37Z")

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When I click on the stable Mac download on https://download.slicer.org/ I’m getting the following error: { "message": "Invalid item id (62cc52d2aa08d161a31c1af4).", "type": "rest" }

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## [Incomplete Slicer package download - \`gzip: stdin: invalid compressed data--format violated\`](https://discourse.slicer.org/t/incomplete-slicer-package-download-gzip-stdin-invalid-compressed-data-format-violated/29748)

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**Author:** [@Tanuki](https://discourse.slicer.org/u/Tanuki)\
**Replies:** 14\
**Last updated:** [June 6, 2023, 3:37pm UTC](https://discourse.slicer.org/t/incomplete-slicer-package-download-gzip-stdin-invalid-compressed-data-format-violated/29748 "2023-06-06T15:37:51Z")

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Downloaded the tar file repeatedly but each one has the same error. The unpacked tar only has the bin and lib directories. gzip: stdin: invalid compressed data--format violated tar: Unexpected EOF in archive tar: Error …

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## [Installation problem on Windows 11](https://discourse.slicer.org/t/installation-problem-on-windows-11/27683)

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**Author:** [@Aiqbal](https://discourse.slicer.org/u/Aiqbal)\
**Replies:** 3\
**Last updated:** [February 8, 2023, 3:26pm UTC](https://discourse.slicer.org/t/installation-problem-on-windows-11/27683 "2023-02-08T15:26:07Z")

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Hi, I am uable to install 3D Slicer on my Windows 11 operating system. I tried the older version as well, but it did not work. It showed that the installer’s integrity check failed. Can anyone help me to overcome this. …

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## [Problems with 3D Slicer 5.0.3 Installation on Fedora 36](https://discourse.slicer.org/t/problems-with-3d-slicer-5-0-3-installation-on-fedora-36/25359)

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**Author:** [@cnot](https://discourse.slicer.org/u/cnot)\
**Replies:** 2\
**Last updated:** [October 14, 2022, 7:02am UTC](https://discourse.slicer.org/t/problems-with-3d-slicer-5-0-3-installation-on-fedora-36/25359 "2022-10-14T07:02:35Z")

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Hello all! I am running into some issues when trying to run Slicer 5.0.3 on my Fedora 36 workstation. I followed the instructions given here (Getting Started — 3D Slicer documentation), making sure to install the necess…

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## [Issue with installation of Slicer on Windows](https://discourse.slicer.org/t/issue-with-installation-of-slicer-on-windows/21418)

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**Author:** [@HodaJavadi](https://discourse.slicer.org/u/HodaJavadi)\
**Replies:** 1\
**Last updated:** [January 11, 2022, 9:40pm UTC](https://discourse.slicer.org/t/issue-with-installation-of-slicer-on-windows/21418 "2022-01-11T21:40:51Z")

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Hello, I have had Slicer on my desktop (Windows 10) since August 2021 and initially I had no issue. I stopped working with it in past several months and now when I need it again, the software doesn’t open on my desktop.…

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## [CTK and SLICER Warnings while building SlicerCustomApp Templete, then after it its creating error after modification](https://discourse.slicer.org/t/ctk-and-slicer-warnings-while-building-slicercustomapp-templete-then-after-it-its-creating-error-after-modification/20130)

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**Author:** [@Dwij\_Mistry](https://discourse.slicer.org/u/Dwij_Mistry)\
**Replies:** 0\
**Last updated:** [October 13, 2021, 9:28am UTC](https://discourse.slicer.org/t/ctk-and-slicer-warnings-while-building-slicercustomapp-templete-then-after-it-its-creating-error-after-modification/20130 "2021-10-13T09:28:36Z")

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Hello Developer, I am getting CTK and SLICER warnings while BUILD\_ALL in custom slicer build process. I have installed following software as mentioned in the https://slicer.readthedocs.io/en/latest/developer\_guide/buil…

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## [Create installer package with extension and configuration](https://discourse.slicer.org/t/create-installer-package-with-extension-and-configuration/15139)

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**Author:** [@Tesla2678](https://discourse.slicer.org/u/Tesla2678)\
**Replies:** 7\
**Last updated:** [December 28, 2020, 12:31am UTC](https://discourse.slicer.org/t/create-installer-package-with-extension-and-configuration/15139 "2020-12-28T00:31:13Z")

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Hello Every one, I have a question about how to create an installer package(With a created extension). I have followed the tutorial in https://slicer.readthedocs.io/en/latest/developer\_guide/build\_instructions/windows…

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## [Install slicer for all users option on windows](https://discourse.slicer.org/t/install-slicer-for-all-users-option-on-windows/9594)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [December 23, 2019, 7:43pm UTC](https://discourse.slicer.org/t/install-slicer-for-all-users-option-on-windows/9594 "2019-12-23T19:43:15Z")

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While I like that users now can install slicer into their own user space in centrally administered computers, would it be possible to include an option to say ‘install slicer only for this user’ vs ‘install slicer for al…

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## [Installing SlicerFab 'problems'](https://discourse.slicer.org/t/installing-slicerfab-problems/9192)

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**Author:** [@STUDIO\_FREDERIK\_DE\_W](https://discourse.slicer.org/u/STUDIO_FREDERIK_DE_W)\
**Replies:** 1\
**Last updated:** [November 18, 2019, 2:47pm UTC](https://discourse.slicer.org/t/installing-slicerfab-problems/9192 "2019-11-18T14:47:43Z")

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Hi, My name is Fred and new to the 3DSlicer community, so hello y’all! The first ‘problem’ i ran into is installing Slicerfab ( mac, mojave). I followed the guidelines and tried several ways to install the extension bu…

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## [Bug during 3DSlicer installation](https://discourse.slicer.org/t/bug-during-3dslicer-installation/7413)

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**Author:** [@MachadoL](https://discourse.slicer.org/u/MachadoL)\
**Replies:** 6\
**Last updated:** [July 8, 2019, 1:48pm UTC](https://discourse.slicer.org/t/bug-during-3dslicer-installation/7413 "2019-07-08T13:48:56Z")

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Hi, guys. I’m trying to install Slicer release 4.10.2 in my Linux Mint 18.3 Sylvia Desktop. I correctly installed CMake 3.13.4 and Qt 5.11.0. I go with CMake, configure and generate, everything goes ok! But when I d…

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## [Slicer app installation "hint" for mac installer](https://discourse.slicer.org/t/slicer-app-installation-hint-for-mac-installer/6329)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 5\
**Last updated:** [March 28, 2019, 8:00pm UTC](https://discourse.slicer.org/t/slicer-app-installation-hint-for-mac-installer/6329 "2019-03-28T20:00:55Z")

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Based on the experience communicating with users, it comes up not for the first time that some users open the installer package, and then open 3D Slicer app from the package, without doing the proper install. Surprisingl…