diff --git a/README.md b/README.md
index 692ea3b..ab4d6b8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,50 @@
-# Image sorter
+# Image sorter 
 
-in this project route, the program is supposed to:
+## ProjectTheia Branch
+In this project route, the program is supposed to:
 1. Check for valid pictures (in this case picutres with the meters).
 2. isolate the valid pictures in a different folder.
 3. finally remove or delete all the other pictures that didn't pass the test.
+
+## Instructions from the main branch
+
+### Installation
+
+Requires `python >=3.7`
+
+1. Create a python virtual environment
+
+```
+python -m venv venv
+```
+
+2. Activate the virtual environment
+
+```
+./venv/Scripts/activate
+```
+
+3. Install dependencies
+
+```
+pip install -r requirements.txt
+```
+
+### How to use
+
+--source" help="Path to the input folder containing the images"
+
+--destination" help="Path to the pass folder for images that pass the test"
+
+--rejects help="Path to the reject folder for images that fail the test"
+
+```
+python cli.py --source <image folder path> --destination <pass folder> --rejects <reject folder>
+```
+
+### TODO
+
+- Sort images according to size
+- Remove black or blank images
+- Remove white/gray images
+- Use multithreading to increase performance