diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 90ccbaaa30..d377023813 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -27,6 +27,7 @@ jobs:
         git config --global user.email "action@github.com"
         git config --global user.name "GitHub Action"
         ./scripts/test
+      shell: bash
     - name: Upload coverage to Codecov
       if: runner.os == 'Linux'
       uses: codecov/codecov-action@v1.0.3
diff --git a/commitizen/bump.py b/commitizen/bump.py
index f571e6a04b..7b621a6e1c 100644
--- a/commitizen/bump.py
+++ b/commitizen/bump.py
@@ -1,3 +1,4 @@
+import os
 import re
 from collections import OrderedDict
 from itertools import zip_longest
@@ -155,7 +156,9 @@ def update_version_in_files(
     """
     # TODO: separate check step and write step
     for location in files:
-        filepath, _, regex = location.partition(":")
+        drive, tail = os.path.splitdrive(location)
+        path, _, regex = tail.partition(":")
+        filepath = drive + path
         if not regex:
             regex = _version_to_regex(current_version)
 
diff --git a/commitizen/commands/bump.py b/commitizen/commands/bump.py
index bc43032036..06dc908dcc 100644
--- a/commitizen/commands/bump.py
+++ b/commitizen/commands/bump.py
@@ -1,3 +1,4 @@
+import os
 from logging import getLogger
 from typing import List, Optional
 
@@ -230,9 +231,15 @@ def __call__(self):  # noqa: C901
                 },
             )
             changelog_cmd()
+            file_names = []
+            for file_name in version_files:
+                drive, tail = os.path.splitdrive(file_name)
+                path, _, regex = tail.partition(":")
+                path = drive + path if path != "" else drive + regex
+                file_names.append(path)
             git_add_changelog_and_version_files_command = (
                 f"git add {changelog_cmd.file_name} "
-                f"{' '.join(file_name.partition(':')[0] for file_name in version_files)}"
+                f"{' '.join(name for name in file_names)}"
             )
             c = cmd.run(git_add_changelog_and_version_files_command)
 
diff --git a/commitizen/commands/check.py b/commitizen/commands/check.py
index 58f6814ba3..2ce8ed4d64 100644
--- a/commitizen/commands/check.py
+++ b/commitizen/commands/check.py
@@ -40,7 +40,7 @@ def _valid_command_argument(self):
             arg is not None
             for arg in (self.commit_msg_file, self.commit_msg, self.rev_range)
         )
-        if num_exclusive_args_provided == 0 and not os.isatty(0):
+        if num_exclusive_args_provided == 0 and not sys.stdin.isatty():
             self.commit_msg: Optional[str] = sys.stdin.read()
         elif num_exclusive_args_provided != 1:
             raise InvalidCommandArgumentError(
diff --git a/scripts/format b/scripts/format
index 47b2b90f44..9d300e964b 100755
--- a/scripts/format
+++ b/scripts/format
@@ -1,9 +1,7 @@
-#!/bin/sh -e
+#!/usr/bin/env sh
+set -e
 
 export PREFIX="poetry run python -m "
-if [ -d 'venv' ] ; then
-    export PREFIX="venv/bin/"
-fi
 
 set -x
 
diff --git a/scripts/test b/scripts/test
index 11131cd209..ea5a318988 100755
--- a/scripts/test
+++ b/scripts/test
@@ -1,14 +1,13 @@
-#!/bin/sh -e
+#!/usr/bin/env sh
+set -e
 
-export PREFIX="poetry run python -m "
-if [ -d 'venv' ] ; then
-    export PREFIX="venv/bin/"
-fi
+export PREFIX='poetry run python -m '
+export REGEX='^(?![.]|venv).*'
 
 ${PREFIX}pytest -n 3 --cov-report term-missing --cov-report=xml:coverage.xml --cov=commitizen tests/
 ${PREFIX}black commitizen tests --check
 ${PREFIX}isort --check-only commitizen tests
 ${PREFIX}flake8 commitizen/ tests/
 ${PREFIX}mypy commitizen/ tests/
-${PREFIX}pydocstyle --convention=google --add-ignore=D1,D415
+${PREFIX}pydocstyle --convention=google --add-ignore=D1,D415 --match-dir='"${REGEX}"'
 ${PREFIX}commitizen check --rev-range origin/master..
diff --git a/tests/commands/test_bump_command.py b/tests/commands/test_bump_command.py
index 7374e5aa52..81b4f9d1b4 100644
--- a/tests/commands/test_bump_command.py
+++ b/tests/commands/test_bump_command.py
@@ -302,9 +302,10 @@ def test_bump_when_version_inconsistent_in_version_files(
     tmp_version_file = tmp_commitizen_project.join("__version__.py")
     tmp_version_file.write("100.999.10000")
     tmp_commitizen_cfg_file = tmp_commitizen_project.join("pyproject.toml")
+    tmp_version_file_string = str(tmp_version_file).replace("\\", "/")
     tmp_commitizen_cfg_file.write(
         f"{tmp_commitizen_cfg_file.read()}\n"
-        f'version_files = ["{str(tmp_version_file)}"]'
+        f'version_files = ["{tmp_version_file_string}"]'
     )
 
     create_file_and_commit("feat: new file")
@@ -323,9 +324,10 @@ def test_bump_files_only(mocker, tmp_commitizen_project):
     tmp_version_file = tmp_commitizen_project.join("__version__.py")
     tmp_version_file.write("0.1.0")
     tmp_commitizen_cfg_file = tmp_commitizen_project.join("pyproject.toml")
+    tmp_version_file_string = str(tmp_version_file).replace("\\", "/")
     tmp_commitizen_cfg_file.write(
         f"{tmp_commitizen_cfg_file.read()}\n"
-        f'version_files = ["{str(tmp_version_file)}"]'
+        f'version_files = ["{tmp_version_file_string}"]'
     )
 
     create_file_and_commit("feat: new user interface")
@@ -355,10 +357,11 @@ def test_bump_local_version(mocker, tmp_commitizen_project):
     tmp_version_file = tmp_commitizen_project.join("__version__.py")
     tmp_version_file.write("4.5.1+0.1.0")
     tmp_commitizen_cfg_file = tmp_commitizen_project.join("pyproject.toml")
+    tmp_version_file_string = str(tmp_version_file).replace("\\", "/")
     tmp_commitizen_cfg_file.write(
         f"[tool.commitizen]\n"
         'version="4.5.1+0.1.0"\n'
-        f'version_files = ["{str(tmp_version_file)}"]'
+        f'version_files = ["{tmp_version_file_string}"]'
     )
 
     create_file_and_commit("feat: new user interface")
diff --git a/tests/commands/test_init_command.py b/tests/commands/test_init_command.py
index 131aaaad44..6fa8d5008a 100644
--- a/tests/commands/test_init_command.py
+++ b/tests/commands/test_init_command.py
@@ -65,7 +65,7 @@ def test_init_without_setup_pre_commit_hook(tmpdir, mocker, config):
 
 def test_init_when_config_already_exists(config, capsys):
     # Set config path
-    path = "tests/pyproject.toml"
+    path = os.sep.join(["tests", "pyproject.toml"])
     config.add_path(path)
 
     commands.Init(config)()
diff --git a/tests/conftest.py b/tests/conftest.py
index 64a5652f1a..bb18531699 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -28,7 +28,7 @@ def tmp_commitizen_project(tmp_git_project):
 def _get_gpg_keyid(signer_mail):
     _new_key = cmd.run(f"gpg --list-secret-keys {signer_mail}")
     _m = re.search(
-        rf"[a-zA-Z0-9 \[\]-_]*{os.linesep}[ ]*([0-9A-Za-z]*){os.linesep}[{os.linesep}a-zA-Z0-9 \[\]-_<>@]*",
+        r"[a-zA-Z0-9 \[\]-_]*\n[ ]*([0-9A-Za-z]*)\n[\na-zA-Z0-9 \[\]-_<>@]*",
         _new_key.out,
     )
     return _m.group(1) if _m else None
@@ -42,7 +42,8 @@ def tmp_commitizen_project_with_gpg(tmp_commitizen_project):
     # create a temporary GPGHOME to store a temporary keyring.
     # Home path must be less than 104 characters
     gpg_home = tempfile.TemporaryDirectory(suffix="_cz")
-    os.environ["GNUPGHOME"] = gpg_home.name  # tempdir = temp keyring
+    if os.name != "nt":
+        os.environ["GNUPGHOME"] = gpg_home.name  # tempdir = temp keyring
 
     # create a key (a keyring will be generated within GPUPGHOME)
     c = cmd.run(
diff --git a/tests/test_bump_create_commit_message.py b/tests/test_bump_create_commit_message.py
index ee1f1f768c..b4bcf9631a 100644
--- a/tests/test_bump_create_commit_message.py
+++ b/tests/test_bump_create_commit_message.py
@@ -1,3 +1,4 @@
+import os
 import sys
 from pathlib import Path
 from textwrap import dedent
@@ -55,7 +56,10 @@ def test_bump_pre_commit_changelog(tmp_commitizen_project, mocker, freezer, retr
             """
         )
         cmd.run("git add -A")
-        cmd.run("git commit -m 'fix: _test'")
+        if os.name == "nt":
+            cmd.run('git commit -m "fix: _test"')
+        else:
+            cmd.run("git commit -m 'fix: _test'")
         cmd.run("pre-commit install")
         cli.main()
         # Pre-commit fixed last line adding extra indent and "\" char
@@ -93,7 +97,10 @@ def test_bump_pre_commit_changelog_fails_always(
             """
         )
         cmd.run("git add -A")
-        cmd.run("git commit -m 'feat: forbid changelogs'")
+        if os.name == "nt":
+            cmd.run('git commit -m "feat: forbid changelogs"')
+        else:
+            cmd.run("git commit -m 'feat: forbid changelogs'")
         cmd.run("pre-commit install")
         with pytest.raises(exceptions.BumpCommitFailedError):
             cli.main()
diff --git a/tests/test_bump_update_version_in_files.py b/tests/test_bump_update_version_in_files.py
index 3113638003..0c37bf538c 100644
--- a/tests/test_bump_update_version_in_files.py
+++ b/tests/test_bump_update_version_in_files.py
@@ -15,9 +15,9 @@
 def _copy_sample_file_to_tmpdir(
     tmpdir: LocalPath, source_filename: str, dest_filename: str
 ) -> str:
-    tmp_file = tmpdir.join(dest_filename)
-    copyfile(f"{TESTING_FILE_PREFIX}/{source_filename}", str(tmp_file))
-    return str(tmp_file)
+    tmp_file = str(tmpdir.join(dest_filename)).replace("\\", "/")
+    copyfile(f"{TESTING_FILE_PREFIX}/{source_filename}", tmp_file)
+    return tmp_file
 
 
 @pytest.fixture(scope="function")
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 383d7a18cf..68a9c04a23 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -1,3 +1,4 @@
+import os
 import subprocess
 import sys
 
@@ -84,6 +85,10 @@ def test_commitizen_debug_excepthook(capsys):
     assert "NotAGitProjectError" in str(excinfo.traceback[0])
 
 
+@pytest.mark.skipif(
+    os.name == "nt",
+    reason="`argcomplete` does not support Git Bash on Windows.",
+)
 def test_argcomplete_activation():
     """
     This function is testing the one-time activation of argcomplete for
diff --git a/tests/test_git.py b/tests/test_git.py
index ca51c8f2cd..cc1f4cf3c9 100644
--- a/tests/test_git.py
+++ b/tests/test_git.py
@@ -206,7 +206,10 @@ def test_is_staging_clean_when_updating_file(tmp_commitizen_project):
 
         cmd.run("touch test_file")
         cmd.run("git add test_file")
-        cmd.run("git commit -m 'add test_file'")
+        if os.name == "nt":
+            cmd.run('git commit -m "add test_file"')
+        else:
+            cmd.run("git commit -m 'add test_file'")
         cmd.run("echo 'test' > test_file")
 
         assert git.is_staging_clean() is True