diff --git a/scripts/activate.py b/scripts/activate.py
new file mode 100644
index 00000000..0affc19a
--- /dev/null
+++ b/scripts/activate.py
@@ -0,0 +1,31 @@
+"""Wizard Kit: Activate Windows using a BIOS key"""
+# vim: sts=2 sw=2 ts=2
+
+import wk
+
+
+def main():
+  """Attempt to activate Windows and show result."""
+  title = f'{wk.cfg.main.KIT_NAME_FULL}: Activation Tool'
+  try_print = wk.std.TryAndPrint()
+  wk.std.clear_screen()
+  wk.std.set_title(title)
+  wk.std.print_info(title)
+  print('')
+
+  # Attempt activation
+  try_print.run('Attempting activation...', wk.os.win.activate_with_bios)
+
+  # Done
+  print('')
+  print('Done.')
+  wk.std.pause('Press Enter to exit...')
+
+
+if __name__ == '__main__':
+  try:
+    main()
+  except SystemExit:
+    raise
+  except: #pylint: disable=bare-except
+    wk.std.major_exception()
diff --git a/scripts/outer_scripts_to_review/activate.py b/scripts/outer_scripts_to_review/activate.py
deleted file mode 100644
index fa54fa5d..00000000
--- a/scripts/outer_scripts_to_review/activate.py
+++ /dev/null
@@ -1,63 +0,0 @@
-# Wizard Kit: Activate Windows using various methods
-
-import os
-import sys
-
-# Init
-sys.path.append(os.path.dirname(os.path.realpath(__file__)))
-from functions.activation import *
-init_global_vars()
-os.system('title {}: Windows Activation Tool'.format(KIT_NAME_FULL))
-
-if __name__ == '__main__':
-  try:
-    stay_awake()
-    clear_screen()
-    print_info('{}: Windows Activation Tool\n'.format(KIT_NAME_FULL))
-    # Bail early if already activated
-    if windows_is_activated():
-      print_info('This system is already activated')
-      sleep(5)
-      exit_script()
-    other_results = {
-      'Error': {
-        'BIOSKeyNotFoundError':   'BIOS key not found.',
-      }}
-
-    # Determine activation method
-    activation_methods = [
-      {'Name': 'Activate with BIOS key', 'Function': activate_with_bios},
-      ]
-    if global_vars['OS']['Version'] not in ('8', '8.1', '10'):
-      activation_methods[0]['Disabled'] = True
-    actions = [
-      {'Name': 'Quit', 'Letter': 'Q'},
-      ]
-
-    while True:
-      selection = menu_select(
-        '{}: Windows Activation Menu'.format(KIT_NAME_FULL),
-        main_entries=activation_methods, action_entries=actions)
-
-      if (selection.isnumeric()):
-        result = try_and_print(
-          message = activation_methods[int(selection)-1]['Name'],
-          function = activation_methods[int(selection)-1]['Function'],
-          other_results=other_results)
-        if result['CS']:
-          break
-        else:
-          sleep(2)
-      elif selection == 'Q':
-        exit_script()
-
-    # Done
-    print_success('\nDone.')
-    pause("Press Enter to exit...")
-    exit_script()
-  except SystemExit as sys_exit:
-    exit_script(sys_exit.code)
-  except:
-    major_exception()
-
-# vim: sts=2 sw=2 ts=2
diff --git a/scripts/wk/io.py b/scripts/wk/io.py
index fa6110c8..cba8b3fa 100644
--- a/scripts/wk/io.py
+++ b/scripts/wk/io.py
@@ -63,7 +63,7 @@ def delete_item(path, force=False, ignore_errors=False):
     os.remove(path)
 
 
-def non_clobbering_path(path):
+def non_clobber_path(path):
   """Update path as needed to non-existing path, returns pathlib.Path."""
   LOG.debug('path: %s', path)
   path = pathlib.Path(path)
diff --git a/scripts/wk/os/__init__.py b/scripts/wk/os/__init__.py
index 5e58dbc8..e3d66798 100644
--- a/scripts/wk/os/__init__.py
+++ b/scripts/wk/os/__init__.py
@@ -1,7 +1,9 @@
 """WizardKit: os module init"""
 # vim: sts=2 sw=2 ts=2
 
-import os
+import platform
 
-if os.name == 'nt':
+#if platform.system() == 'Darwin':
+#if platform.system() == 'Linux':
+if platform.system() == 'Windows':
   from wk.os import win
diff --git a/scripts/wk/os/win.py b/scripts/wk/os/win.py
index 8e00ec1a..b99a1e13 100644
--- a/scripts/wk/os/win.py
+++ b/scripts/wk/os/win.py
@@ -17,7 +17,7 @@ from wk.std import GenericError, GenericWarning, sleep
 # STATIC VARIABLES
 LOG = logging.getLogger(__name__)
 REG_MSISERVER = r'HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\MSIServer'
-SLMGR = pathlib.Path(f'{os.environ("SYSTEMROOT")}/System32/slmgr.vbs')
+SLMGR = pathlib.Path(f'{os.environ.get("SYSTEMROOT")}/System32/slmgr.vbs')
 
 
 # Functions
@@ -41,6 +41,10 @@ def activate_with_bios():
   if not bios_key:
     raise GenericError('BIOS key not found.')
 
+  # Check if activation is needed
+  if is_activated():
+    raise GenericWarning('System already activated')
+
   # Install Key
   cmd = ['cscript', '//nologo', SLMGR, '/ipk', bios_key]
   run_program(cmd, check=False)
@@ -52,7 +56,7 @@ def activate_with_bios():
   sleep(5)
 
   # Check status
-  if not windows_is_activated():
+  if not is_activated():
     raise GenericError('Activation Failed')
 
 
@@ -96,6 +100,14 @@ def get_activation_string():
   return act_str
 
 
+def is_activated():
+  """Check if Windows is activated via slmgr.vbs and return bool."""
+  act_str = get_activation_string()
+
+  # Check result.
+  return act_str and 'permanent' in act_str
+
+
 def run_sfc_scan():
   """Run SFC and save results."""
   cmd = ['sfc', '/scannow']
@@ -132,15 +144,5 @@ def run_sfc_scan():
     raise GenericError
 
 
-def windows_is_activated():
-  """Check if Windows is activated via slmgr.vbs and return bool."""
-  cmd = ['cscript', '//nologo', SLMGR, '/xpr']
-  result = run_program(cmd, check=False)
-  act_str = result.stdout
-
-  # Check result.
-  return bool(act_str and 'permanent' in act_str)
-
-
 if __name__ == '__main__':
   print("This file is not meant to be called directly.")