diff --git a/book/download_repo.md b/book/download_repo.md
index 45e2e402b0de3bcccbec83fa89a5e632fcb286c8..6e2666b468ec56bb7aeb6b43416e1e9d92198c11 100644
--- a/book/download_repo.md
+++ b/book/download_repo.md
@@ -1,7 +1,7 @@
 # Downloading the course material
 
-## Downloading the notebooks
-During this tutorial, we will be working through a set of notebooks. On this page, we will download the notebooks and launch jupyter notebook. There are two ways to download the notebooks: download as a .zip from github. Follow the instructions below for either "downloading zip" (recommended for beginners) or "cloning via git".
+## Downloading the notebooks and associated files
+During this tutorial, we will be working through a set of notebooks. There are two ways to download the materials: download as a .zip or clone the repository. Follow the instructions below for either "downloading zip" (recommended for beginners) or "cloning via git".
 
 ### Downloading .zip
 You can download the notebooks as a .zip file. To do so, please do the following:
@@ -11,7 +11,7 @@ You can download the notebooks as a .zip file. To do so, please do the following
     ![download code](download_guide.png)
 3. Choose the location you would like to download the .zip.
 4. Open your file browser and double click on the .zip file to uncompress it.
-5. You have downloaded the notebooks! Proceed to the "Launching jupyter notebook" section.
+5. You have downloaded the materials!
 
 
 ### Cloning via git
diff --git a/notebooks/environment.yml b/notebooks/environment.yml
new file mode 100644
index 0000000000000000000000000000000000000000..ea11d0afd7c9ef5d909577bc4febbcbd90abd975
--- /dev/null
+++ b/notebooks/environment.yml
@@ -0,0 +1,15 @@
+name: pyimagecourse
+channels:
+  - conda-forge
+dependencies:
+  - python=3.10
+  - napari
+  - pip
+  - pip:
+    - matplotlib
+    - jupyter
+    - pyzmq<25 # jupyter problems: https://discourse.jupyter.org/t/jupyter-notebook-zmq-message-arrived-on-closed-channel-error/17869/27
+    - jupyter_client<8 # jupyter problems
+    - ipympl
+    - cellpose
+    - stardist
\ No newline at end of file