# How to test if package is installed

**URL:** <https://discourse.julialang.org/t/how-to-test-if-package-is-installed/3508>\
**Category:** General Usage\
**Tags:** question\
**Created:** [May 4, 2017, 6:18am UTC](https://discourse.julialang.org/t/how-to-test-if-package-is-installed/3508 "2017-05-04T06:18:47Z")\
**Posts on this page:** 1\
**Showing post:** 24

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**Author:** ![Ralf\_Dietrich](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/ralf_dietrich/32/5643_2.png) [@Ralf\_Dietrich](https://discourse.julialang.org/u/Ralf_Dietrich)\
**Post date:** [February 13, 2023, 10:00am UTC](https://discourse.julialang.org/t/how-to-test-if-package-is-installed/3508/24 "2023-02-13T10:00:07Z")

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This here helps me alot: [How to use Pkg.dependencies() instead of Pkg.installed() - #19 by Ralf\_Dietrich](https://discourse.julialang.org/t/how-to-use-pkg-dependencies-instead-of-pkg-installed/36416/19)

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