diff --git a/README.md b/README.md
index cd84e3b..9e9ba6a 100644
--- a/README.md
+++ b/README.md
@@ -3,24 +3,52 @@ this python app will find every possible combination and permutation (power sets
 
 ### MacOS:
 ##### install virtualenv
->python -m pip install --user virtualenv
+`python -m pip install --user virtualenv`
 
 ##### create python virtual environment
->python -m venv env
+`python -m venv env`
 
 ##### activate virtual environment
->source env/bin/activate
+`source env/bin/activate`
 
 ##### verify
->which python
+`which python`
 
 ##### install modules
->pip install enchant
+
+`pip install enchant`
 
 ##### run anagrams solver
 ###### make sure default python symlink is mapped to python3 (else use python3)
->python app.py
+`python app.py`
 
 ##### deactivate environment
->deactivate
+`deactivate`
+
 
+### Windows OS:
+##### install virtualenv
+`pip install virtualenv`
+
+##### create python virtual environment
+`vertualenv env`
+
+##### activate virtual environment
+`env\scripts\activate`
+
+##### verify
+```
+python --version
+help(pyenchant)
+```
+
+##### install modules
+
+`pip install pyenchant`
+
+##### run anagrams solver
+###### make sure default python symlink is mapped to python3 (else use python3)
+`python app.py`
+
+##### deactivate environment
+`deactivate`
diff --git a/app.py b/app.py
index 7277b18..0edd3e3 100644
--- a/app.py
+++ b/app.py
@@ -39,27 +39,29 @@ def checkifword(word):
 
 
 print("Anagrams Solver App")
-letters = input("What 6 letters are you given? ")
+letters = input("What  6 letters are you given? ")
+if len(letters)<=6:
 
 #append all possible outcomes to list
-allCombinations.append(letters)
-for i in range(6):
-    five_listed_letters = list(letters)
-    five_listed_letters.pop(i), five_listed_letters
-    allCombinations.append(five_listed_letters)
-    for x in range(5):
-        four_listed_letters = list.copy(five_listed_letters)
-        four_listed_letters.pop(x), four_listed_letters
-        allCombinations.append(four_listed_letters)
-        for y in range(4):
-            three_listed_letters = list.copy(four_listed_letters)
-            three_listed_letters.pop(y), three_listed_letters
-            allCombinations.append(three_listed_letters)
-            for z in range(3):
-                two_listed_letters = list.copy(three_listed_letters)
-                two_listed_letters.pop(z), two_listed_letters
-                allCombinations.append(two_listed_letters)
-
+    allCombinations.append(letters)
+    for i in range(6):
+        five_listed_letters = list(letters)
+        five_listed_letters.pop(i), five_listed_letters
+        allCombinations.append(five_listed_letters)
+        for x in range(5):
+            four_listed_letters = list.copy(five_listed_letters)
+            four_listed_letters.pop(x), four_listed_letters
+            allCombinations.append(four_listed_letters)
+            for y in range(4):
+                three_listed_letters = list.copy(four_listed_letters)
+                three_listed_letters.pop(y), three_listed_letters
+                allCombinations.append(three_listed_letters)
+                for z in range(3):
+                    two_listed_letters = list.copy(three_listed_letters)
+                    two_listed_letters.pop(z), two_listed_letters
+                    allCombinations.append(two_listed_letters)
+else:
+    raise Exception("Length of the Entered String exceeds 6 ")
 
 #sort out duplicates in list
 for i in allCombinations: