diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a81c8ee
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,138 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..15c0e6c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,22 @@
+# To build the container
+# docker build -t [container-name] .
+# To run the container
+# docker run --rm -it [container-name]
+
+FROM debian:stretch-20210721-slim
+
+WORKDIR /exploit-suggester
+
+COPY requirements.txt .
+COPY windows-exploit-suggester.py .
+
+RUN apt update -y
+RUN apt install -y python3 \
+                python3-xlrd \
+                apt-utils \
+                python-pip \
+		nano \
+		vim
+
+RUN pip install -r requirements.txt
+ENTRYPOINT ["/bin/bash"]
diff --git a/README.md b/README.md
index e3b5148..6b8b5df 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,28 @@ It was heavily inspired by Linux_Exploit_Suggester by Pentura.
 
 Blog Post: "Introducing Windows Exploit Suggester", https://blog.gdssecurity.com/labs/2014/7/11/introducing-windows-exploit-suggester.html
 
+INSTALLATION
+============
+
+For easy docker usage scroll below.
+
+Dependencies: install dependencies `virtualenv`,`python3-xlrd`, `pip install xlrd==1.2.0`,
+
+Run the `setup.sh`
+```
+$ chmod +x setup.sh
+$ ./setup.sh
+```
+
 USAGE
 =====
-update the database
+
+1. Activate the virtualenvironment
+```
+$ . ./venv/bin/activate
+```
+
+2. Update the database
 ```
 $ ./windows-exploit-suggester.py --update
 [*] initiating...
@@ -37,11 +56,8 @@ $ ./windows-exploit-suggester.py --update
 [+] writing to file 2014-06-06-mssb.xlsx
 [*] done
 ```
-install dependencies
-
-(install python-xlrd, $ pip install xlrd --upgrade)
 
-feed it "systeminfo" input, and point it to the microsoft database
+3. Feed it "systeminfo" input, and point it to the microsoft database
 ```
 $ ./windows-exploit-suggester.py --database 2014-06-06-mssb.xlsx --systeminfo win7sp1-systeminfo.txt 
 [*] initiating...
@@ -87,6 +103,47 @@ $ ./windows-exploit-suggester.py --database 2014-06-06-mssb.xlsx --ostext 'windo
 [M] MS09-072: Cumulative Security Update for Internet Explorer (976325) - Critical
 ```
 
+BUILD FROM DOCKER 
+=================
+
+```
+docker build -t windows-exploit-suggester .
+```
+
+INSTALLATION FROM DOCKERHUB
+===========================
+
+[Dockerhub Project](https://hub.docker.com/r/gr33nm0nk2802/windows-exploit-suggester)
+
+```
+docker pull gr33nm0nk2802/windows-exploit-suggester
+docker tag gr33nm0nk2802/windows-exploit-suggester windows-exploit-suggester
+```
+
+
+USAGE
+======
+
+1.  Run the Exploit Suggester from interactive terminal
+
+```
+docker run --rm -it windows-exploit-suggester
+```
+
+2. Inside the interactive terminal save the output of `systeminfo` command into a text file using `nano` or `vim`
+
+3. Update the exploit database
+
+```
+./windows-exploit-suggester.py
+```
+
+3. Use the exploit database-file and  the systeminfo details files with the container.
+
+```
+./windows-exploit-suggester.py --database [database-file].xls --systeminfo [systeminfo-file].txt
+```
+
 LIMITATIONS
 ===========
 Currently, if the 'systeminfo' command reveals 'File 1' as the output for
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..bd208ae
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+xlrd==1.2.0
diff --git a/setup.sh b/setup.sh
new file mode 100755
index 0000000..7144088
--- /dev/null
+++ b/setup.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# To update the repositories for python3
+sudo apt update -y
+sudo apt install -y python3-xlrd virtualenv
+
+# Creating and installing pip3 dependencies inside venv
+virtualenv venv
+source venv/bin/activate
+pip install -r requirements.txt
+
+
diff --git a/windows-exploit-suggester.py b/windows-exploit-suggester.py
index 108c1b6..89e3121 100755
--- a/windows-exploit-suggester.py
+++ b/windows-exploit-suggester.py
@@ -1,13 +1,14 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
 # Windows Exploit Suggester
-# revision 3.3, 2017-02-13
+# revision 4.0, 2021-08-10
 #
 # author: Sam Bertram, Gotham Digital Science
 # contact: labs@gdssecurity.com,sbertram@gdssecurity.com,sammbertram@gmail.com
 # blog post: "Introducing Windows Exploit Suggester", http://blog.gdssecurity.com/
-# 
+# Modified by: gr33nm0nk2802
+#
 # DESCRIPTION
 # 
 # This tool compares a targets patch levels against the Microsoft vulnerability
@@ -49,7 +50,6 @@
 #
 # install dependencies
 #
-# (install python-xlrd, $ pip install xlrd --upgrade)
 #
 # feed it "systeminfo" input, and point it to the microsoft database
 #
@@ -327,10 +327,10 @@
 import argparse
 import subprocess
 import csv
-import StringIO
+from io import StringIO
 import os
 import datetime
-import urllib2
+import urllib.request
 import io
 from random import randint
 from time import sleep
@@ -387,7 +387,7 @@ def main():
       try:
         dbfile = open(ARGS.database, 'r')
 
-      except IOError, e:
+      except IOError as e:
         ALERT("could not open the file %s" % filename, ALERT.BAD)
         exit(1)
 
@@ -425,13 +425,13 @@ def main():
       data = ''
 
       # loop through xls
-      for rownum in xrange(sh.nrows):
+      for rownum in range(sh.nrows):
 
         values = sh.row_values(rownum)
 
         # loop through row values, and process input
         for i in range(len(values)):
-          values[i] = unicode(values[i]).encode('utf8')
+          values[i] = str(values[i]) 
           values[i] = values[i].replace('\n',' ')
           values[i] = values[i].replace(',','')
           values[i] = values[i].replace('.0','')
@@ -662,7 +662,7 @@ def run(database):
 
   # get the potential bulletins
   try:
-    for row in csv.reader(StringIO.StringIO(database)):
+    for row in csv.reader(StringIO(database)):
       bulletinid=row[1]
       affected=row[6]
 
@@ -676,7 +676,7 @@ def run(database):
           if ARGS.verbose:
             ALERT("%s has been added to potential list '%s'" % (bulletinid, affected))
             
-  except csv.Error, e:
+  except csv.Error as e:
     ALERT('could not parse database file, make sure it is in the proper format', ALERT.BAD)
     exit(1)
          
@@ -705,7 +705,7 @@ def run(database):
           ALERT("  %s hotfix triggered a removal of %skb and the %s bulletin; componentkb is %s" % (hotfix,kb,bulletinid,componentkb))
 
         # get the linked ms, this will automatically calculate the superseded by as well
-        linkedms = getlinkedms([bulletinid], csv.reader(StringIO.StringIO(database)))
+        linkedms = getlinkedms([bulletinid], csv.reader(StringIO(database)))
         linkedmsstr = ''
         
         # calculate the pretty string, only care when verbose
@@ -735,7 +735,7 @@ def run(database):
 
       if bulletinid in bulletinids and not "elevation of privilege" in impact.lower():
 
-        remove = getlinkedms([bulletinid], csv.reader(StringIO.StringIO(database)))
+        remove = getlinkedms([bulletinid], csv.reader(StringIO(database)))
         
         if ARGS.verbose:
           ALERT("   removing %s (total of %s MS ids), because of its impact %s" % (bulletinid, len(remove), impact))
@@ -752,7 +752,7 @@ def run(database):
 
       if bulletinid in bulletinids and not "remote code execution" in impact.lower():
 
-        remove = getlinkedms([bulletinid], csv.reader(StringIO.StringIO(database)))
+        remove = getlinkedms([bulletinid], csv.reader(StringIO(database)))
         
         if ARGS.verbose:
           ALERT("   removing %s (total of %s MS ids), because of its impact %s" % (bulletinid, len(remove), impact))
@@ -830,7 +830,7 @@ def run(database):
         if ARGS.sub:
 
           # linked ms, the children of this msid
-          linked = set(getlinkedms([msid], csv.reader(StringIO.StringIO(database))))
+          linked = set(getlinkedms([msid], csv.reader(StringIO(database))))
           linked = linked.intersection(msids)
           
 	      # loop through the linked msids, and only display those that qualify and
@@ -844,7 +844,7 @@ def run(database):
                 ALERT("|_%s: %s (%s) - %s" % (lmsid, vulns[lmsid][0], vulns[lmsid][1], vulns[lmsid][2]), lalert)
                 
 		# only allow duplicate events to be displayed when command-line args passed
-		if not ARGS.duplicates: alerted.add(lmsid)
+                if not ARGS.duplicates: alerted.add(lmsid)
 
   # end run()
 
@@ -871,7 +871,7 @@ def trace(database):
   ALERT("searching for bulletin id %s" % bulletinid)
 
   # get linked msids
-  lmsids =  getlinkedms([bulletinid], csv.reader(StringIO.StringIO(database)))
+  lmsids =  getlinkedms([bulletinid], csv.reader(StringIO(database)))
 
   msids = []
 
@@ -895,7 +895,7 @@ def trace(database):
       exit(1)
 
     # get linked msids, loop through the row
-    for row in csv.reader(StringIO.StringIO(database)):
+    for row in csv.reader(StringIO(database)):
       msid = row[1]
       affected = row[6]
 
@@ -920,7 +920,7 @@ def patches(database):
   ALERT("searching all kb's for bulletin id %s" % bulletinid)
 
   # get linked msids, loop through the row
-  for row in csv.reader(StringIO.StringIO(database)):
+  for row in csv.reader(StringIO(database)):
       
     bulletinkb=row[2]
     componentkb=row[7]
@@ -1530,7 +1530,7 @@ def update():
   csvFile = '%s.%s' % (filenames, 'csv')
 
   # url request opener with user-agent
-  opener = urllib2.build_opener()
+  opener = urllib.request.build_opener()
   opener.addheaders = [('User-agent', 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36')]
 
   # grab the new data from ms and scrape the site
@@ -1564,7 +1564,7 @@ def update():
   try:    
     #sleep(randint(1,3))
     response = opener.open(bulletinUrl)
-  except urllib2.URLError, e:
+  except urllib.request.URLError as e:
     ALERT("error getting ms sb url %s" % bulletinUrl, ALERT.BAD)
     exit(1)
     
@@ -1581,7 +1581,7 @@ class ALERT(object):
   def __init__(self, message, level=0, ansi=True):
 
     # default to ansi alerting, if it's detected as windows platform then disable
-    if platform.system() is "Windows": ansi = False
+    if platform.system() == "Windows": ansi = False
 
     good = '[+]'
     bad = '[-]'
@@ -1591,20 +1591,20 @@ def __init__(self, message, level=0, ansi=True):
     exploit = '[E]'
     
     if ansi == True:
-      if level == ALERT.GOOD: print("%s%s%s" % ('\033[1;32m',good,"\033[0;0m")),
-      elif level == ALERT.BAD: print("%s%s%s" % ('\033[1;31m',bad,"\033[0;0m")),
-      elif level == ALERT.MSF: print("%s%s%s" % ('\033[1;32m',msf,"\033[0;0m")),
-      elif level == ALERT.EXP: print("%s%s%s" % ('\033[1;32m',exploit,"\033[0;0m")),
-      else: print("%s%s%s" % ('\033[1;34m',normal,"\033[0;0m")),
+      if level == ALERT.GOOD: print("%s%s%s" % ('\033[1;32m',good,"\033[0;0m"), end=''),
+      elif level == ALERT.BAD: print("%s%s%s" % ('\033[1;31m',bad,"\033[0;0m"), end=''),
+      elif level == ALERT.MSF: print("%s%s%s" % ('\033[1;32m',msf,"\033[0;0m"), end=''),
+      elif level == ALERT.EXP: print("%s%s%s" % ('\033[1;32m',exploit,"\033[0;0m"), end=''),
+      else: print("%s%s%s" % ('\033[1;34m',normal,"\033[0;0m"), end=''),
       
     else:
-      if level == ALERT.GOOD: print('%s' % good),
-      elif level == ALERT.BAD: print('%s' % bad),
-      elif level == ALERT.MSF: print('%s' % msf),
-      elif level == ALERT.EXP: print('%s' % exploit),
-      else: print('%s' % normal),
+      if level == ALERT.GOOD: print('%s' % good, end=''),
+      elif level == ALERT.BAD: print('%s' % bad, end=''),
+      elif level == ALERT.MSF: print('%s' % msf, end=''),
+      elif level == ALERT.EXP: print('%s' % exploit, end=''),
+      else: print('%s' % normal, end=''),
       
-    print message
+    print (message)
   
   @staticmethod
   @property