diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a511ad88..29a6afa6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -52,7 +52,7 @@ jobs:
     - name: Notebook check
       run: |
         pip install notebook>=5.2.2
-        python Otherfiles/notebook_check.py
+        python Otherfiles/notebook_run.py
       if: matrix.python-version == env.TEST_PYTHON_VERSION && matrix.os == env.TEST_OS
     - name: Other tests
       run: |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f948a5f..a8f3dace 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - `__trapezoidal_numeric_integral__` function updated
 - Diagrams updated
 - Document modified
+- Document build system updated
 - `AUTHORS.md` updated
 - `README.md` modified
 - Test system modified
diff --git a/Otherfiles/RELEASE.md b/Otherfiles/RELEASE.md
index 058c3b4d..1589ab29 100644
--- a/Otherfiles/RELEASE.md
+++ b/Otherfiles/RELEASE.md
@@ -1,7 +1,7 @@
 
 # PyCM Release Instructions
 
-**Last Update: 2024-07-02**
+**Last Update: 2024-07-19**
 
 1. Create the `release` branch under `dev`
 2. Update all version tags
@@ -18,7 +18,7 @@
 4. Update `.github/ISSUE_TEMPLATE/bug_report.yml`
    1. Add new version tag to `PyCM version` dropbox options
 5. Update Document
-	1. Run `Otherfiles/doc_run.bat`
+	1. Run `Otherfiles/notebook_run.py`
 6. Create a PR from `release` to `dev`
 	1. Title: `Version x.x` (Example: `Version 0.1`)
 	2. Tag all related issues
diff --git a/Otherfiles/doc_run.bat b/Otherfiles/doc_run.bat
deleted file mode 100644
index 224b9ea6..00000000
--- a/Otherfiles/doc_run.bat
+++ /dev/null
@@ -1,17 +0,0 @@
-@echo off
-call python -m art text "Doc Run Script"
-call python setup.py install
-for %%f in (Document\*.ipynb) do (
-echo %%f is running!
-call python -m nbconvert %%f --execute --clear-output --log-level=ERROR
-if ERRORLEVEL 1 (echo %%f Failed! & exit /b 0) else (echo %%f Done!)
-echo --------------------------
-)
-
-copy Document\Document_files\cm1.csv Otherfiles\test.csv
-copy Document\Document_files\cm1.html Otherfiles\test.html
-copy Document\Document_files\cm1.obj Otherfiles\test.obj
-copy Document\Document_files\cm1.pycm Otherfiles\test.pycm
-copy Document\Document_files\cp.comp Otherfiles\test.comp
-
-call python Otherfiles\version_check.py
diff --git a/Otherfiles/notebook_check.py b/Otherfiles/notebook_check.py
deleted file mode 100644
index a8f8ae75..00000000
--- a/Otherfiles/notebook_check.py
+++ /dev/null
@@ -1,34 +0,0 @@
-# -*- coding: utf-8 -*-
-"""Notebook-check script."""
-import os
-import nbformat
-from nbconvert.preprocessors import ExecutePreprocessor
-from art import tprint
-
-NOTEBOOKS_LIST = [
-    "Document",
-    "Distance",
-    "Example1",
-    "Example2",
-    "Example3",
-    "Example4",
-    "Example5",
-    "Example6",
-    "Example7",
-    "Example8"]
-
-EXTENSION = ".ipynb"
-
-if __name__ == "__main__":
-    tprint("PYCM", "bulbhead")
-    tprint("Document", "bulbhead")
-    print("Processing ...")
-    for index, notebook in enumerate(NOTEBOOKS_LIST):
-        ep = ExecutePreprocessor(timeout=6000, kernel_name='python3')
-        path = os.path.join("Document", notebook)
-        with open(path + EXTENSION, "r", encoding="utf-8") as f:
-            nb = nbformat.read(f, as_version=4)
-            ep.preprocess(nb, {'metadata': {'path': 'Document/'}})
-        with open(path + EXTENSION, 'w', encoding='utf-8') as f:
-            nbformat.write(nb, f)
-        print("{0}.{1} [OK]".format(str(index + 1), notebook))
diff --git a/Otherfiles/notebook_run.py b/Otherfiles/notebook_run.py
new file mode 100644
index 00000000..4244dfdd
--- /dev/null
+++ b/Otherfiles/notebook_run.py
@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+"""Notebook-run script."""
+import os
+import shutil
+import pycm
+import nbformat
+from nbconvert.preprocessors import ExecutePreprocessor
+from art import tprint
+
+NOTEBOOKS_LIST = [
+    "Document",
+    "Distance",
+    "Example1",
+    "Example2",
+    "Example3",
+    "Example4",
+    "Example5",
+    "Example6",
+    "Example7",
+    "Example8"]
+
+COPY_DICT = {os.path.join("Document", "Document_files", "cm1.csv"): os.path.join("Otherfiles", "test.csv"),
+             os.path.join("Document", "Document_files", "cm1.html"): os.path.join("Otherfiles", "test.html"),
+             os.path.join("Document", "Document_files", "cm1.obj"): os.path.join("Otherfiles", "test.obj"),
+             os.path.join("Document", "Document_files", "cm1.pycm"): os.path.join("Otherfiles", "test.pycm"),
+             os.path.join("Document", "Document_files", "cp.comp"): os.path.join("Otherfiles", "test.comp"),
+             }
+
+EXTENSION = ".ipynb"
+
+if __name__ == "__main__":
+    tprint("PYCM", "bulbhead")
+    tprint("v{0}".format(pycm.__version__), "bulbhead")
+    tprint("Notebook Run", "amc3line")
+    print("Processing ...")
+    for index, notebook in enumerate(NOTEBOOKS_LIST):
+        ep = ExecutePreprocessor(timeout=6000, kernel_name='python3')
+        path = os.path.join("Document", notebook)
+        with open(path + EXTENSION, "r", encoding="utf-8") as f:
+            nb = nbformat.read(f, as_version=4)
+            ep.preprocess(nb, {'metadata': {'path': 'Document/'}})
+        with open(path + EXTENSION, 'w', encoding='utf-8') as f:
+            nbformat.write(nb, f)
+        print("\t{0}.{1} [OK]".format(str(index + 1), notebook))
+    print("\nCopying ...")
+    for index, item in enumerate(sorted(COPY_DICT)):
+        shutil.copy(item, COPY_DICT[item])
+        print("\t{0}.{1} --> {2} [OK]".format(index + 1, item, COPY_DICT[item]))