diff --git a/hyfetch/neofetch_util.py b/hyfetch/neofetch_util.py
index 6a6269c0..ea2431f2 100644
--- a/hyfetch/neofetch_util.py
+++ b/hyfetch/neofetch_util.py
@@ -14,7 +14,6 @@ from tempfile import TemporaryDirectory
 from urllib.request import urlretrieve
 
 import pkg_resources
-import psutil
 from typing_extensions import Literal
 
 from hyfetch.color_util import color
@@ -185,11 +184,13 @@ def check_windows_cmd():
     Check if this script is running under cmd.exe. If so, launch an external window with git bash
     since cmd doesn't support RGB colors.
     """
-    if psutil.Process(os.getppid()).name().lower().strip() == 'cmd.exe':
-        print("cmd.exe doesn't support RGB colors, restarting in MinTTY...")
-        cmd = f'"{ensure_git_bash().parent.parent / "usr/bin/mintty.exe"}" -s 110,40 -e python -m hyfetch --ask-exit'
-        os.system(cmd)
-        exit()
+    if platform.system() == 'Windows':
+        import psutil
+        if psutil.Process(os.getppid()).name().lower().strip() == 'cmd.exe':
+            print("cmd.exe doesn't support RGB colors, restarting in MinTTY...")
+            cmd = f'"{ensure_git_bash().parent.parent / "usr/bin/mintty.exe"}" -s 110,40 -e python -m hyfetch --ask-exit'
+            os.system(cmd)
+            exit()
 
 
 def run_command(args: str, pipe: bool = False) -> str | None:
diff --git a/setup.py b/setup.py
index 0dff0bfc..c9a4e0e7 100755
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,13 @@ setup(
     packages=['hyfetch'],
     package_data={'hyfetch': ['hyfetch/*']},
     include_package_data=True,
-    install_requires=['setuptools', 'typing_extensions'],
+    install_requires=[
+        # Universal dependencies
+        'setuptools', 'typing_extensions'
+        
+        # Windows dependencies
+        'psutil ; platform_system=="Windows"'
+    ],
     entry_points={
         "console_scripts": [
             "hyfetch=hyfetch.main:run",