diff --git a/tutorial/jupyter/.ipynb_checkpoints/CPlantBox_Lesson-checkpoint.ipynb b/tutorial/jupyter/.ipynb_checkpoints/CPlantBox_Lesson-checkpoint.ipynb
index 52e79fac4..237a056d6 100644
--- a/tutorial/jupyter/.ipynb_checkpoints/CPlantBox_Lesson-checkpoint.ipynb
+++ b/tutorial/jupyter/.ipynb_checkpoints/CPlantBox_Lesson-checkpoint.ipynb
@@ -77,12 +77,16 @@
    "source": [
     "#<---Click this triangle inside the round circle to download the CPlantBox\n",
     "! git clone https://github.com/Plant-Root-Soil-Interactions-Modelling/CPlantBox # downloading the source code\n",
-    "os.chdir(\"/content/CPlantBox\") # change directory\n",
-    "!cmake . # Run Cmake, creating compiling files\n",
-    "!make # Complie the code to make it runable\n",
+    "# if you are running in Colab, the programmed is precompiled, so you can use it directly. if the next block does not work\n",
+    "# then you need to uncomment the next three lines and run this block.\n",
+    "#os.chdir(\"/content/CPlantBox\") # change directory\n",
+    "#!cmake . # Run Cmake, creating compiling files\n",
+    "#!make # Complie the code to make it runable\n",
     "os.chdir(\"/content/CPlantBox/tutorial/jupyter\") # Change to the python directory (working directory)\n",
     "# Congrats! Now you are ready to use the CPlantBox\n",
-    "\n",
+    "!rm modelparameter\n",
+    "!ln -s /content/CPlantBox/modelparameter/ modelparameter\n",
+    "!ls\n",
     "# optional in case an update is just pushed to the repository\n",
     "#! git pull # update the file comparing to github repository"
    ]
diff --git a/tutorial/jupyter/CPlantBox_Lesson.ipynb b/tutorial/jupyter/CPlantBox_Lesson.ipynb
index 52e79fac4..237a056d6 100644
--- a/tutorial/jupyter/CPlantBox_Lesson.ipynb
+++ b/tutorial/jupyter/CPlantBox_Lesson.ipynb
@@ -77,12 +77,16 @@
    "source": [
     "#<---Click this triangle inside the round circle to download the CPlantBox\n",
     "! git clone https://github.com/Plant-Root-Soil-Interactions-Modelling/CPlantBox # downloading the source code\n",
-    "os.chdir(\"/content/CPlantBox\") # change directory\n",
-    "!cmake . # Run Cmake, creating compiling files\n",
-    "!make # Complie the code to make it runable\n",
+    "# if you are running in Colab, the programmed is precompiled, so you can use it directly. if the next block does not work\n",
+    "# then you need to uncomment the next three lines and run this block.\n",
+    "#os.chdir(\"/content/CPlantBox\") # change directory\n",
+    "#!cmake . # Run Cmake, creating compiling files\n",
+    "#!make # Complie the code to make it runable\n",
     "os.chdir(\"/content/CPlantBox/tutorial/jupyter\") # Change to the python directory (working directory)\n",
     "# Congrats! Now you are ready to use the CPlantBox\n",
-    "\n",
+    "!rm modelparameter\n",
+    "!ln -s /content/CPlantBox/modelparameter/ modelparameter\n",
+    "!ls\n",
     "# optional in case an update is just pushed to the repository\n",
     "#! git pull # update the file comparing to github repository"
    ]