diff --git a/src/composables/useWindowingConfigInitializer.ts b/src/composables/useWindowingConfigInitializer.ts
index 0208fc0b..ce534574 100644
--- a/src/composables/useWindowingConfigInitializer.ts
+++ b/src/composables/useWindowingConfigInitializer.ts
@@ -124,6 +124,14 @@ export function useWindowingConfigInitializer(
         },
       });
     }
+    const forcedWL = store.runtimeConfigWindowLevel;
+    if (forcedWL) {
+      store.updateConfig(viewIdVal, imageIdVal, {
+        preset: {
+          ...forcedWL,
+        },
+      });
+    }
     store.resetWindowLevel(viewIdVal, imageIdVal);
   });
 
diff --git a/src/io/import/configJson.ts b/src/io/import/configJson.ts
index 9ac10ee9..c23681a4 100644
--- a/src/io/import/configJson.ts
+++ b/src/io/import/configJson.ts
@@ -9,6 +9,7 @@ import { useRulerStore } from '@/src/store/tools/rulers';
 import { useDataBrowserStore } from '@/src/store/data-browser';
 import { usePolygonStore } from '@/src/store/tools/polygons';
 import { useViewStore } from '@/src/store/views';
+import { useWindowingStore } from '@/src/store/view-configs/windowing';
 import { actionToKey } from '@/src/composables/useKeyboardShortcuts';
 import { useSegmentGroupStore } from '@/src/store/segmentGroups';
 import { AnnotationToolStore } from '@/src/store/tools/useAnnotationTool';
@@ -70,12 +71,23 @@ const io = z
   })
   .optional();
 
+// --------------------------------------------------------------------------
+// Window Level
+
+const windowing = z
+  .object({
+    level: z.number(),
+    width: z.number(),
+  })
+  .optional();
+
 export const config = z.object({
   layout,
   dataBrowser,
   labels,
   shortcuts,
   io,
+  windowing,
 });
 
 export type Config = z.infer<typeof config>;
@@ -140,10 +152,17 @@ const applyIo = (manifest: Config) => {
   useLoadDataStore().segmentGroupExtension = manifest.io.segmentGroupExtension;
 };
 
+const applyWindowing = (manifest: Config) => {
+  if (!manifest.windowing) return;
+
+  useWindowingStore().runtimeConfigWindowLevel = manifest.windowing;
+};
+
 export const applyConfig = (manifest: Config) => {
   applyLayout(manifest);
   applyLabels(manifest);
   applySampleData(manifest);
   applyShortcuts(manifest);
   applyIo(manifest);
+  applyWindowing(manifest);
 };
diff --git a/src/store/view-configs/windowing.ts b/src/store/view-configs/windowing.ts
index 6b38617b..935c3fa3 100644
--- a/src/store/view-configs/windowing.ts
+++ b/src/store/view-configs/windowing.ts
@@ -24,9 +24,15 @@ export const defaultWindowLevelConfig = (): WindowLevelConfig => ({
   },
 });
 
-const useWindowingStore = defineStore('windowing', () => {
+type WindowLevel = {
+  width: number;
+  level: number;
+};
+
+export const useWindowingStore = defineStore('windowing', () => {
   const configs = reactive<DoubleKeyRecord<WindowLevelConfig>>({});
   const syncAcrossViews = ref(true);
+  const runtimeConfigWindowLevel = ref<WindowLevel | undefined>();
 
   const setSyncAcrossViews = (yn: boolean) => {
     syncAcrossViews.value = yn;
@@ -69,6 +75,7 @@ const useWindowingStore = defineStore('windowing', () => {
     }
   };
 
+  // not really reset, actually translate config object into W/L
   const resetWindowLevel = (viewID: string, dataID: string) => {
     const config = configs[viewID]?.[dataID];
     if (config == null) return;
@@ -105,6 +112,7 @@ const useWindowingStore = defineStore('windowing', () => {
   };
 
   return {
+    runtimeConfigWindowLevel,
     configs,
     getConfig,
     setSyncAcrossViews,