# Modifying the windows

**URL:** <https://discourse.slicer.org/t/modifying-the-windows/36400>\
**Category:** Support\
**Created:** [May 26, 2024, 4:12pm UTC](https://discourse.slicer.org/t/modifying-the-windows/36400 "2024-05-26T16:12:19Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![BDA](https://avatars.discourse-cdn.com/v4/letter/b/5e9695/32.png) [@BDA](https://discourse.slicer.org/u/BDA)\
**Post date:** [May 26, 2024, 4:12pm UTC](https://discourse.slicer.org/t/modifying-the-windows/36400/1 "2024-05-26T16:12:19Z")

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operating system: windows  
slicer version: 5.6.2  
I can’t modify the window that is used to represent the data by clicking and dragging the left mouse button.The images I am using are CT images in DICOM format. I would appreciate your help.

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**Author:** ![muratmaga](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/muratmaga/32/3622_2.png) [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Post date:** [May 26, 2024, 7:53pm UTC](https://discourse.slicer.org/t/modifying-the-windows/36400/2 "2024-05-26T19:53:31Z")

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Did you change the mouse mode to window/level?  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/6/5/657160f7cbdd49c00afe8900adb61f9ec847dca8.png)

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<div class="post-metadata">

**Author:** ![BDA](https://avatars.discourse-cdn.com/v4/letter/b/5e9695/32.png) [@BDA](https://discourse.slicer.org/u/BDA)\
**Post date:** [May 26, 2024, 8:35pm UTC](https://discourse.slicer.org/t/modifying-the-windows/36400/3 "2024-05-26T20:35:48Z")

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Thank you very much, I was able to do it when I changed the mode.