diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7c70844
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+edkrepo_dev_local_data/*/
+edkrepo_dev_local_data/*.*
+__pycache__/
+
diff --git a/edkrepo/commands/command_factory.py b/edkrepo/commands/command_factory.py
index 76211fe..5fea8ba 100644
--- a/edkrepo/commands/command_factory.py
+++ b/edkrepo/commands/command_factory.py
@@ -14,6 +14,8 @@
 from edkrepo.commands.edkrepo_command import EdkrepoCommand
 from edkrepo.commands.composite_command import CompositeCommand
 from edkrepo.config.config_factory import GlobalConfig
+import edkrepo.common.ui_functions as ui_functions
+import edkrepo.commands.humble.command_factory_humble as humble
 
 def _is_command(CommandClass):
     if CommandClass == EdkrepoCommand:
@@ -54,8 +56,14 @@ def get_commands():
     cmd_search_dirs = []
 
     for cmd_pkg in cmd_pkg_list:
-        mod = importlib.import_module(cmd_pkg)
-        cmd_search_dirs.append((cmd_pkg, os.path.dirname(mod.__file__)))
+        try:
+            mod = importlib.import_module(cmd_pkg)
+            cmd_search_dirs.append((cmd_pkg, os.path.dirname(mod.__file__)))
+        except ImportError:
+            ui_functions.print_info_msg(humble.COMMAND_PACKAGE_NOT_FOUND.format(cmd_pkg), header=False)
+    if cmd_search_dirs == []:
+        ui_functions.print_info_msg(humble.COMMAND_PACKAGES_NOT_FOUND, header=False)
+        raise ImportError (cmd_pkg_list)
     for cmd_dir in cmd_search_dirs:
         for module in os.listdir(cmd_dir[1]):
             if module == '__init__.py' or os.path.splitext(module)[1] != '.py':
diff --git a/edkrepo/commands/humble/command_factory_humble.py b/edkrepo/commands/humble/command_factory_humble.py
new file mode 100644
index 0000000..9a94797
--- /dev/null
+++ b/edkrepo/commands/humble/command_factory_humble.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+#
+## @file
+# command_factory_humble.py
+#
+# Copyright (c) 2024, Intel Corporation.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+
+COMMAND_PACKAGE_NOT_FOUND = 'command-package {} defined in the cfg file was not found.'
+COMMAND_PACKAGES_NOT_FOUND = 'No command-packages defined in the cfg file were found.'
diff --git a/edkrepo/config/config_factory.py b/edkrepo/config/config_factory.py
index 7808704..9945b6d 100644
--- a/edkrepo/config/config_factory.py
+++ b/edkrepo/config/config_factory.py
@@ -26,6 +26,7 @@
 
 def get_edkrepo_global_data_directory():
     global_data_dir = None
+    local_data_dir = None
     if sys.platform == "win32":
         shell32 = oledll.shell32
         SHGetFolderPath = shell32.SHGetFolderPathW
@@ -36,11 +37,14 @@ def get_edkrepo_global_data_directory():
         common_appdata = create_unicode_buffer(MAX_PATH)
         SHGetFolderPath(None, CSIDL_COMMON_APPDATA, None, SHGFP_TYPE_CURRENT, common_appdata)
         global_data_dir = os.path.join(common_appdata.value, "edkrepo")
+        local_data_dir = os.path.join(os.path.dirname(sys.argv[0]), "edkrepo_dev_local_data")
     elif sys.platform == "darwin" or sys.platform.startswith("linux") or os.name == "posix":
         global_data_dir = expanduser("~/.edkrepo")
     if not os.path.isdir(global_data_dir):
         if not os.path.exists(os.path.dirname(global_data_dir)):
             raise EdkrepoGlobalDataDirectoryNotFoundException(humble.GLOBAL_DATA_DIR_NOT_FOUND.format(os.path.dirname(global_data_dir)))
+        if sys.platform == "win32" and os.path.isdir(local_data_dir):
+            return local_data_dir
         os.mkdir(global_data_dir)
     return global_data_dir
 
diff --git a/edkrepo_dev.py b/edkrepo_dev.py
new file mode 100644
index 0000000..0277709
--- /dev/null
+++ b/edkrepo_dev.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+#
+## @file
+# edkrepo_dev.py
+#
+# Copyright (C) 2024 Intel Corporation
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+
+import sys
+import traceback
+if sys.version_info >= (3, 8):
+    from importlib.metadata import version
+else:
+    import pkg_resources
+from edkrepo.config.config_factory import GlobalConfig
+from edkrepo.common.edkrepo_exception import EdkrepoGlobalConfigNotFoundException
+from edkrepo import edkrepo_cli
+
+if __name__ == '__main__':
+    # Run the edkrepo command line interface without building and running the edkrepo installer.
+    # Minimum Python version and Git version in README.md
+    # Additional Python requirements in edkrepo_dev_requirements_windows.txt
+    # EdkRepo 'git bash' features support require the installer to use.
+    try:
+        # If a global config file was not installed, do not continue further.
+        GlobalConfig()
+    except EdkrepoGlobalConfigNotFoundException as e:
+        traceback.print_exc()
+        print()
+        print("Create a global edkrepo.cfg file before running edkrepo_dev.py.")
+        print("example global config file: edk2-edkrepo/edkrepo_installer/Vendor/edkrepo.cfg")
+        sys.exit(102)
+    except Exception as e:
+        traceback.print_exc()
+        sys.exit(1)
+
+    try:
+        # If system has edkrepo installed, exit
+        if sys.version_info >= (3, 8):
+            edkrepo_version = version("edkrepo")
+        else:
+            edkrepo_version = pkg_resources.get_distribution("edkrepo").version
+        print("Edkrepo is found installed on the system. Edkrepo version: ", edkrepo_version)
+        print("Run the edkrepo uninstaller before using 'edkrepo_dev.py'.")
+        sys.exit(1)
+    except:
+        print("edkrepo running from development source.")
+
+    try:
+        sys.exit(edkrepo_cli.main())
+    except Exception as e:
+        traceback.print_exc()
+        sys.exit(1)
diff --git a/edkrepo_dev_local_data/README b/edkrepo_dev_local_data/README
new file mode 100644
index 0000000..505cdfe
--- /dev/null
+++ b/edkrepo_dev_local_data/README
@@ -0,0 +1,2 @@
+For edkrepo_dev.py use, this folder has the least priority to be selected as the edkrepo global data directory.  
+
diff --git a/edkrepo_dev_requirements_windows.txt b/edkrepo_dev_requirements_windows.txt
new file mode 100644
index 0000000..25c18e4
--- /dev/null
+++ b/edkrepo_dev_requirements_windows.txt
@@ -0,0 +1,5 @@
+colorama>=0.4.4
+gitdb>=4.0.7
+GitPython>=3.1.14
+smmap>=4.0.0
+