diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index c264439fc..a7e4fca73 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -54,6 +54,27 @@ jobs:
           WebKit/WebKitBuild/Release/bin/jsc builds/out-adv/core-advanced-test.js | tee test-out.txt
           grep -qxF '0 failures, 0 errors.' test-out.txt
 
+    # Runtime Tests
+  runtime-windows-test:
+    name: Runtime Windows Tests
+    runs-on: windows-2019
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: DeLaGuardo/setup-clojure@3.5
+        with:
+          cli: '1.10.1.763'
+
+      - name: Build tests
+        run: clojure -M:runtime.test.build
+        shell: powershell
+
+      - name: Run tests
+        run: |
+          node builds/out-adv/core-advanced-test.js | tee test-out.txt
+          findstr "0 failures, 0 errors." test-out.txt
+        shell: powershell
+
   # Self-host Tests
   self-host-test:
     name: Self-host Tests
diff --git a/src/main/clojure/cljs/externs.clj b/src/main/clojure/cljs/externs.clj
index b7b42fa36..e940461e7 100644
--- a/src/main/clojure/cljs/externs.clj
+++ b/src/main/clojure/cljs/externs.clj
@@ -16,7 +16,8 @@
            [com.google.javascript.jscomp.parsing Config$JsDocParsing]
            [com.google.javascript.rhino
             Node Token JSTypeExpression JSDocInfo$Visibility]
-           [java.util.logging Level]))
+           [java.util.logging Level]
+           [java.net URL]))
 
 (def ^:dynamic *ignore-var* false)
 (def ^:dynamic *source-file* nil)
@@ -288,9 +289,9 @@
        {} externs))))
 
 (defn resource->source-file
-  [resource]
+  [^URL resource]
   (-> (SourceFile/builder)
-    (.withPath (.toPath (io/file (.getPath resource))))
+    (.withPath (.getPath resource))
     (.withContent (io/input-stream resource))
     (.build)))
 
@@ -313,6 +314,8 @@
            '[clojure.pprint :refer [pprint]]
            '[cljs.js-deps :as js-deps])
 
+  (resource->source-file (io/resource "goog/dom/dom.js"))
+
   (pprint
     (get-in (analyze-goog-file "goog/dom/dom.js")
       [:defs 'setTextContent]))
diff --git a/src/test/cljs/test_runner.cljs b/src/test/cljs/test_runner.cljs
index 7a6023c85..0c2900009 100644
--- a/src/test/cljs/test_runner.cljs
+++ b/src/test/cljs/test_runner.cljs
@@ -56,7 +56,11 @@
             [cljs.extend-to-native-test]))
 
 (set! *print-newline* false)
-(set-print-fn! js/print)
+
+;; When testing Windows we default to Node.js
+(if (exists? js/print)
+  (set-print-fn! js/print)
+  (enable-console-print!))
 
 (run-tests
   'cljs.apply-test