diff --git a/Chatbot.py b/Chatbot.py
index c647742..491ad10 100644
--- a/Chatbot.py
+++ b/Chatbot.py
@@ -187,6 +187,35 @@ def registerSteamID(message, discordID):
     else:
         return("To link your steam requires a SteamID64 a guide for which can be found at: https://appuals.com/steam-64-id/")
 #SteamID END
+    
+#ChangeSteamID START
+def changeSteamID(message, discordID): #Changes a registered users steamID to whatever new id they input.
+    sharedRelationshipIndex = tempIDArrayDiscord.index(discordID)
+    formattedSteamID = message.lower()
+    formattedSteamID = formattedSteamID.replace(" ","") #Formats the recieved message into an acceptable form for the program to iterate through
+    for charNum in range(len(formattedSteamID)):
+        if charNum == 0:
+            count = 0
+            adjacencyStartIndex = 0                     
+        currentChar = formattedSteamID[charNum]         
+        if currentChar.isdigit():                      
+            count = count + 1                           
+        else:                                           
+            count = 0                                   
+            adjacencyStartIndex = charNum + 1
+        if count == 17:
+            formattedSteamID = formattedSteamID[adjacencyStartIndex:charNum+1]
+            break
+    if len(formattedSteamID) == 17 and formattedSteamID.isdigit(): #and formattedSteamID.is_valid(): in the documentation but currently doesn't work
+        if (formattedSteamID not in tempIDArraySteam):
+            tempIDArraySteam[sharedRelationshipIndex] = formattedSteamID #This checks if the input steamID is valid and not already present in the database / two sorted lists that simulate a database
+            return("Thank You! \nI have now changed your SteamID! It is currently registered as "  +formattedSteamID)
+        elif formattedSteamID in tempIDArraySteam:
+            return("This Steam ID is already taken sorry")
+    else:
+        return ("Sorry, I couldn't seem to find the new SteamID")
+#ChangeSteamID END
+        
 #SpecificGameID START
 def fetchGameID(gameName):  #This function fetches the appID of specific game on steam based on the name the user inputs
     gameName = gameName[gameName.find('(') +1 :gameName.find(')')]#Formats the recieved message so as to only search with text in between the brackets when looking for gameID 
@@ -392,12 +421,15 @@ async def on_message(message): #checks for a message
 
 #BenHB Start==================================================================
     #These ifs are used to access a function when a user gives a valid input
-    if ' steamid ' in message.content.lower() or ' steam id ' in message.content.lower() or 'steamid' in message.content.lower() or 'steam id' in message.content.lower():
-        messageInfo = registerSteamID(message.content, message.author.id)
-        await message.channel.send(messageInfo)
-    #Ben did above        
+
+    if (' steamid ' in message.content.lower() or ' steam id ' in message.content.lower() or 'steamid' in message.content.lower() or 'steam id' in message.content.lower()) and message.author.id not in tempIDArrayDiscord:
+        output = registerSteamID(message.content, message.author.id)#If for when the users wants to register their SteamID for the first time
+        await message.channel.send(output)
+    if (' steamid ' in message.content.lower() or ' steam id ' in message.content.lower() or 'steamid' in message.content.lower() or 'steam id' in message.content.lower()) and 'change' in message.content.lower() and 'my' in message.content.lower() and message.author.id in tempIDArrayDiscord:
+        output = changeSteamID(message.content, message.author.id)#If for when the user wants to change their SteamID once they have registered
+        await message.channel.send(output)  
     if 'displayid ' in message.content.lower():
-        displayedID = fetchGameID(message.content.replace('displayid ',''))
+        displayedID = fetchGameID(message.content.replace('displayid ',''))#An if for a test function that returns the Steam gameID of whatever game you put in. Was left in because it's a nice feature
         await message.channel.send(displayedID)
 
     if ('play' in message.content.lower() or 'many' in message.content.lower()) and ('time' in message.content.lower() or 'minute' in message.content.lower() or 'day' in message.content.lower() or 'second' in message.content.lower() or 'hour' in message.content.lower() or 'week' in message.content.lower() or 'month' in message.content.lower() or 'year'  in message.content.lower()) and message.author.id in tempIDArrayDiscord: