diff --git a/index.html b/index.html
index f698f1f..42de701 100644
--- a/index.html
+++ b/index.html
@@ -722,6 +722,19 @@
                                      </select>
                                 </div>
                             </div>
+                            <div class="form-group">
+                                <label class="form-group-label">Window</label>
+                                <div class="radio-group option-list">
+                                    <div class="option-item">
+                                        <input type="radio" id="window-windowed" name="window" data-not-ini="true" checked>
+                                        <label for="window-windowed">Windowed</label>
+                                    </div>
+                                    <div class="option-item">
+                                        <input type="radio" id="window-fullscreen" name="window" data-not-ini="true">
+                                        <label for="window-fullscreen">Full Screen</label>
+                                    </div>
+                                </div>
+                            </div>
                         </div>
                     </div>
                     <div class="config-section">
@@ -1103,7 +1116,7 @@
                     const elements = this.form.elements;
 
                     for (const element of elements) {
-                        if (!element.name) continue;
+                        if (!element.name || element.dataset.notIni == "true") continue;
 
                         let value;
                         switch (element.type) {
@@ -1234,6 +1247,23 @@
             } else {
                  history.replaceState({ page: 'main' }, '', window.location.pathname);
             }
+
+            const fullscreenElement = document.getElementById('window-fullscreen');
+            const windowedElement = document.getElementById('window-windowed');
+
+            fullscreenElement.addEventListener('change', () => {
+                if (fullscreenElement.checked) {
+                    document.documentElement.requestFullscreen().catch(err => {
+                        console.error(`Error attempting to enable full-screen mode: ${err.message} (${err.name})`);
+                    });
+                }
+            });
+
+            windowedElement.addEventListener('change', () => {
+                if (windowedElement.checked && document.fullscreenElement) {
+                    document.exitFullscreen();
+                }
+            });
         });
     </script>