diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..892da31
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,166 @@
+# 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
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__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/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+# Visual Studio Code related
+.vscode
+
+# Generated by MacOS
+.DS_Store
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..eb9b03b
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,33 @@
+repos:
+  # https://github.com/pre-commit/pre-commit-hooks#pre-commit-hooks
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: check-yaml
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+      - id: check-added-large-files
+  # https://pycqa.github.io/isort/docs/configuration/pre-commit.html
+  - repo: https://github.com/pycqa/isort
+    rev: 5.12.0
+    hooks:
+      - id: isort
+        name: isort (python)
+        files: "\\.(py)$"
+        exclude: ^(\.git|\.hg|\.mypy_cache|\.nox|\.tox|\.venv|_build|buck-out|build|dist|alembic)/
+        args: [--settings-path=pyproject.toml]
+  - repo: https://github.com/psf/black
+    rev: 23.7.0
+    hooks:
+      - id: black
+        language_version: python3.11
+        exclude: ^(\.git|\.hg|\.mypy_cache|\.nox|\.tox|\.venv|_build|buck-out|build|dist|alembic)/
+        args: [--config=pyproject.toml]
+  # Check compliance with Ruff.
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.0.287
+    hooks:
+      - id: ruff
+        name: ruff (python)
+        args : [--config=pyproject.toml]
+        exclude: ^(\.git|\.hg|\.mypy_cache|\.nox|\.tox|\.venv|_build|buck-out|build|dist|alembic)/
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..30635bd
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,16 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Version 0.1.0 - 2023-09-08
+
+### Added
+
+* Project Structure
+* Hello World CLI Tool.
+* Pre Commit Hooks
+* `CHANGELOG.md`
+* `README.md`
+* `LICENSE`
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..53690cb
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Hasan Sezer Taşan
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/chrome_version/__main__.py b/chrome_version/__main__.py
new file mode 100644
index 0000000..bbf131d
--- /dev/null
+++ b/chrome_version/__main__.py
@@ -0,0 +1,21 @@
+import typer
+
+app = typer.Typer(
+    name="Chrome Version",
+)
+
+
+@app.callback(
+    name="Hello World",
+    help="Hello World.",
+    short_help="Hello World.",
+)
+def main():
+    """
+    Get the version of Chrome.
+    """
+    typer.echo("Hello World.")
+
+
+if __name__ == "__main__":
+    app()
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..502738b
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,121 @@
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.poetry]
+name = "chrome-version"
+version = "0.1.0"
+description = "Detect the version of Chrome installed on Windows, Linux, Mac. Cross-platform using Python, native OS detection."
+authors = ["hasansezertasan <hasansezertasan@gmail.com>"]
+maintainers = ["hasansezertasan <hasansezertasan@gmail.com>"]
+readme = "README.md"
+license = "MIT"
+keywords = ["google chrome version", "chrome", "google", "version"]
+classifiers = ["Topic :: Software Development :: Libraries :: Python Modules"]
+packages = [{include = "chrome_version"}]
+include = ["CHANGELOG.md"]
+
+[tool.ruff]
+# Run `ruff linter` command to see all available linters and their descriptions
+target-version = "py311"
+line-length = 120
+select = [
+  # "B",
+  # "C",
+  "E",
+  "F",
+  "W",
+  "I",
+  "B9",
+]
+ignore = [
+  "B008", # do not perform function calls in argument defaults
+  "C901", # too complex
+  "E501", # line too long, handled by black
+  "F401", # imported but unused
+  "E402", # module level import not at top of file
+  "E712", # comparison to True should be 'if cond is True:' or 'if cond:'
+]
+exclude = [
+  "alembic",
+  "migrations",
+]
+show-fixes = true
+
+[tool.isort]
+profile = "black"
+multi_line_output = 3
+include_trailing_comma = true
+force_grid_wrap = 0
+use_parentheses = true
+ensure_newline_before_comments = true
+line_length = 120
+split_on_trailing_comma = true
+skip_glob = ["**/alembic/**", "**/migrations/**"]
+
+
+[tool.black]
+line-length = 120
+target-version = ['py311']
+exclude = '''
+(
+  /(
+      \.eggs
+    | \.git
+    | \.hg
+    | \.mypy_cache
+    | \.nox
+    | \.tox
+    | \.venv
+    | _build
+    | buck-out
+    | build
+    | dist
+    | alembic
+  )/
+)
+'''
+
+[tool.poetry.scripts]
+chrome-version = "chrome_version.__main__:app"
+
+[tool.poe.tasks]
+black = "black ."
+flake8 = "flake8 ."
+isort = "isort ."
+bif = ["black", "isort", "flake8"]
+test = "pytest -v -s"
+makedocs = "pdoc --html -o docs --force -c show_source_code=False central_dispatch_client"
+line-count = "pygount --format=summary"
+clean = "frenchmaid clean"
+requirements = "poetry export -f requirements.txt --output pyproject.txt --without-hashes"
+
+
+[tool.poetry.dependencies]
+python = "^3"
+typer = "*"
+
+[tool.poetry.group.dev.dependencies]
+ipykernel = "^6.25.1"
+isort = "^5.12.0"
+black = { extras = ["jupyter"], version = "^23.7.0" }
+ruff = "^0.0.287"
+pre-commit = "^3.4.0"
+poethepoet = "^0.22.0"
+frenchmaid = "^0.2.3"
+
+[tool.poetry.group.test.dependencies]
+pytest = "^7.4.0"
+
+# poetry install --with docs
+[tool.poetry.group.docs]
+optional = true
+
+[tool.poetry.group.docs.dependencies]
+pdoc3 = "0.10.0"
+
+[tool.poetry.group.analysis]
+optional = true
+
+[tool.poetry.group.analysis.dependencies]
+pygount = "1.6.1"