# How to obtain a Julia 1.4.1 kernel in Jupyter on Windows 10?

**URL:** <https://discourse.julialang.org/t/how-to-obtain-a-julia-1-4-1-kernel-in-jupyter-on-windows-10/47106>\
**Category:** General Usage\
**Tags:** question\
**Created:** [September 23, 2020, 2:15am UTC](https://discourse.julialang.org/t/how-to-obtain-a-julia-1-4-1-kernel-in-jupyter-on-windows-10/47106 "2020-09-23T02:15:35Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![amca01](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/amca01/32/5853_2.png) [@amca01](https://discourse.julialang.org/u/amca01)\
**Post date:** [September 23, 2020, 2:15am UTC](https://discourse.julialang.org/t/how-to-obtain-a-julia-1-4-1-kernel-in-jupyter-on-windows-10/47106/1 "2020-09-23T02:15:35Z")

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Hello,

I have Julia 1.3.0 available as a kernel in Jupyter Lab, and I’ve installed the IJulia package in my installation of Julia 1.4.1. But when I open Jupyter Lab, there is no 1.4.1. kernel there. I can’t remember by what magic (if any) I got the Julia 1.3.0 kernel available in Jupyter, but I’d very much like 1.4.1 available as well.

If it helps, both my Julia 1.3.0 and Julia 1.4.1 return the same directory for `IJulia.kerneldir()`. But when I check that directory using there is only the 1.3.0 kernel there.

Any advice would be very welcome!

Thanks,  
Alasdair

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<div class="post-metadata">

**Author:** ![affans](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/affans/32/11911_2.png) [@affans](https://discourse.julialang.org/u/affans)\
**Post date:** [September 23, 2020, 2:26am UTC](https://discourse.julialang.org/t/how-to-obtain-a-julia-1-4-1-kernel-in-jupyter-on-windows-10/47106/2 "2020-09-23T02:26:39Z")

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You have to build the package manually. You can do that in Pkg mode.

```julia
] build IJulia

```

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<div class="post-metadata">

**Author:** ![amca01](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/amca01/32/5853_2.png) [@amca01](https://discourse.julialang.org/u/amca01)\
**Post date:** [September 23, 2020, 2:29am UTC](https://discourse.julialang.org/t/how-to-obtain-a-julia-1-4-1-kernel-in-jupyter-on-windows-10/47106/3 "2020-09-23T02:29:34Z")

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Thank you - doing that now … and there it is. Many thanks indeed!