diff --git a/roles/ai_agent_runtime/tasks/main.yml b/roles/ai_agent_runtime/tasks/main.yml
index 8e53ec1..d2d6acc 100644
--- a/roles/ai_agent_runtime/tasks/main.yml
+++ b/roles/ai_agent_runtime/tasks/main.yml
@@ -2,8 +2,8 @@
 - name: Assert AI agent runtime is supported on Debian or Darwin family
   ansible.builtin.assert:
     that:
-      - ansible_facts.os_family in ["Debian", "Darwin"]
-    fail_msg: "roles/ai_agent_runtime currently supports Debian-based and Darwin hosts only."
+      - ansible_facts.os_family in ["Debian", "Darwin", "Windows"]
+    fail_msg: "roles/ai_agent_runtime currently supports Debian-based, Darwin, and Windows hosts only."
 
 - name: Install AI agent runtime base packages
   ansible.builtin.apt:
@@ -15,7 +15,7 @@
     DEBIAN_FRONTEND: noninteractive
     APT_LISTCHANGES_FRONTEND: none
   become: true
-  when: ansible_os_family != 'Darwin'
+  when: ansible_os_family == 'Debian'
 
 - name: Configure Node.js runtime
   ansible.builtin.include_tasks: nodejs.yml
diff --git a/roles/ai_agent_runtime/tasks/nodejs.yml b/roles/ai_agent_runtime/tasks/nodejs.yml
index cf772e5..6485166 100644
--- a/roles/ai_agent_runtime/tasks/nodejs.yml
+++ b/roles/ai_agent_runtime/tasks/nodejs.yml
@@ -22,6 +22,7 @@
     group: "{{ 'root' if ansible_os_family != 'Darwin' else ('staff' if ansible_os_family == 'Darwin' else xworkspace_console_user) }}"
     mode: "0755"
   become: "{{ ansible_os_family != 'Darwin' }}"
+  when: ansible_os_family != 'Windows'
 
 - name: Install global npm packages for AI runtime
   ansible.builtin.command:
@@ -29,7 +30,9 @@
   loop: "{{ ai_agent_runtime_npm_global_packages }}"
   register: ai_agent_runtime_npm_global_install
   changed_when: "'changed=1' in ai_agent_runtime_npm_global_install.stdout"
-  when: ai_agent_runtime_npm_global_packages | length > 0
+  when: 
+    - ai_agent_runtime_npm_global_packages | length > 0
+    - ansible_os_family != 'Windows'
 
 - name: Install pinned Playwright package for AI runtime
   ansible.builtin.command:
@@ -39,3 +42,8 @@
   when:
     - ai_agent_runtime_playwright_enabled | bool
     - ai_agent_runtime_playwright_version | length > 0
+    - ansible_os_family != 'Windows'
+
+- name: Import Windows specific Node.js package tasks
+  ansible.builtin.import_tasks: windows.yml
+  when: ansible_os_family == 'Windows'
diff --git a/roles/ai_agent_runtime/tasks/windows.yml b/roles/ai_agent_runtime/tasks/windows.yml
new file mode 100644
index 0000000..8da0068
--- /dev/null
+++ b/roles/ai_agent_runtime/tasks/windows.yml
@@ -0,0 +1,17 @@
+---
+- name: Install global npm packages for AI runtime on Windows
+  community.windows.win_command:
+    cmd: "npm install -g {{ item }}"
+  loop: "{{ ai_agent_runtime_npm_global_packages }}"
+  register: ai_agent_runtime_npm_global_install_win
+  changed_when: "'added' in ai_agent_runtime_npm_global_install_win.stdout or 'updated' in ai_agent_runtime_npm_global_install_win.stdout"
+  when: ai_agent_runtime_npm_global_packages | length > 0
+
+- name: Install pinned Playwright package for AI runtime on Windows
+  community.windows.win_command:
+    cmd: "npm install -g playwright@{{ ai_agent_runtime_playwright_version }}"
+  register: ai_agent_runtime_playwright_install_win
+  changed_when: "'added' in ai_agent_runtime_playwright_install_win.stdout or 'updated' in ai_agent_runtime_playwright_install_win.stdout"
+  when:
+    - ai_agent_runtime_playwright_enabled | bool
+    - ai_agent_runtime_playwright_version | length > 0