# General Registration Elastix extension Mac

**URL:** <https://discourse.slicer.org/t/general-registration-elastix-extension-mac/3791>\
**Category:** Support\
**Created:** [August 16, 2018, 6:53am UTC](https://discourse.slicer.org/t/general-registration-elastix-extension-mac/3791 "2018-08-16T06:53:33Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![Laura](https://avatars.discourse-cdn.com/v4/letter/l/a4c791/32.png) [@Laura](https://discourse.slicer.org/u/Laura)\
**Post date:** [August 8, 2018, 6:45am UTC](https://discourse.slicer.org/t/general-registration-elastix-extension-mac/3791/9 "2018-08-08T06:45:20Z")

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Good morning,

I am trying to download Elastix extension on Mac but I don’t succeed…  
I have read and tried through these explanations : [https://github.com/SuperElastix/elastix/wiki/FAQ](https://github.com/SuperElastix/elastix/wiki/FAQ) , [https://discourse.slicer.org/t/error-with-new-extension-elastix/278](https://discourse.slicer.org/t/error-with-new-extension-elastix/278) and [https://github.com/lassoan/SlicerElastix](https://github.com/lassoan/SlicerElastix)  
But it is as if I have done nothing…

Can someone explain me step by step what I have to do (I think that I download or load in Slicer in the bad way) ?

Thanks a lot in advance !

P.S. : Moreover, I have a little question : is it possible to save the outputvolume created with this module in a folder that I choose ?

Thanks a lot  
Laura

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