Adding dependencies to README + changing steps

README.md

@@ -25,6 +25,11 @@ Instead of asymmetric encryption with public and private keys, all that needs to
 
 ## Installation Guide
 
+### Dependencies
+
+`python` >= v3
+`sqlite` >= v3
+
 ### Linux/MacOS/Windows
 
 1. Open the Terminal (Linux/MacOS) or Command Prompt (Windows)
@@ -35,6 +40,8 @@ Instead of asymmetric encryption with public and private keys, all that needs to
 3. Change the current working directory to the 'keyvault' directory
 `cd keyvault/`
 
-4. Execute the Python script
-`python3 keyvault.py` (Linux/MacOS)
-`python keyvault.py` (Windows)
+4. Install the dependencies
+`pip install -r files/dependencies.txt`
+
+5. Execute the Python script
+`python3 keyvault.py`