diff --git a/src/kimi_cli/utils/environment.py b/src/kimi_cli/utils/environment.py
index 6b4bb78ad..520636af9 100644
--- a/src/kimi_cli/utils/environment.py
+++ b/src/kimi_cli/utils/environment.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import os
 import platform
 from dataclasses import dataclass
 from typing import Literal
@@ -32,7 +33,10 @@ async def detect() -> Environment:
 
         if os_kind == "Windows":
             shell_name = "Windows PowerShell"
-            shell_path = KaosPath("powershell.exe")
+            system_root = os.environ.get("SystemRoot", r"C:\Windows")
+            shell_path = KaosPath(
+                os.path.join(system_root, "System32", "WindowsPowerShell", "v1.0", "powershell.exe")
+            )
         else:
             possible_paths = [
                 KaosPath("/bin/bash"),
diff --git a/tests/utils/test_utils_environment.py b/tests/utils/test_utils_environment.py
index abb3a4ae4..c367c14ed 100644
--- a/tests/utils/test_utils_environment.py
+++ b/tests/utils/test_utils_environment.py
@@ -30,6 +30,7 @@ async def test_environment_detection_windows(monkeypatch):
     monkeypatch.setattr(platform, "system", lambda: "Windows")
     monkeypatch.setattr(platform, "machine", lambda: "AMD64")
     monkeypatch.setattr(platform, "version", lambda: "10.0.19044")
+    monkeypatch.setenv("SystemRoot", r"C:\Windows")
 
     from kimi_cli.utils.environment import Environment
 
@@ -38,4 +39,4 @@ async def test_environment_detection_windows(monkeypatch):
     assert env.os_arch == "AMD64"
     assert env.os_version == "10.0.19044"
     assert env.shell_name == "Windows PowerShell"
-    assert str(env.shell_path) == "powershell.exe"
+    assert str(env.shell_path) == r"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"