diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bde5ce0..51b630f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,10 +7,54 @@ on:
     branches: [ master ]
 
 jobs:
-  test:
-
-    runs-on: ubuntu-latest
+  test-posix:
+    name: Build and test on POSIX systems
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, macos-latest, macos-13 ]
+    steps:
+      - name: Checkout Janet
+        uses: actions/checkout@v4
+        with:
+          name: janet-lang/janet
+          path: janet
+          ref: refs/heads/master
+      - name: Build + Install Janet
+        run: cd janet && make clean && make && make install
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+        with:
+          path: spork
+      - name: Build Spork
+        run: cd spork && janet -l ./bundle -e "(build)"
+      - name: Run Tests
+        run: cd spork && janet -l ./bundle -e "(test)"
+      - name: Test Install 
+        run: janet -e '(bundle/install "spork")'
 
+  test-windows:
+    name: Build and test on Windows
+    strategy:
+      matrix:
+        os: [ windows-latest, windows-2019 ]
+    runs-on: ${{ matrix.os }}
     steps:
-    - name: "Test project"
-      uses: pyrmont/action-janet-test@v2
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+        with:
+          path: spork
+      - name: Setup MSVC
+        uses: ilammy/msvc-dev-cmd@v1
+      - name: Download Janet Latest Release
+        shell: cmd
+        run: curl -fSLo janet.msi https://github.com/janet-lang/janet/releases/download/v1.36.0/janet-1.36.0-windows-x64-installer.msi
+      - name: Install Janet
+        shell: cmd
+        run: msiexec /i janet.msi /passive
+      - name: Build Spork
+        run: cd spork && janet -l ./bundle -e "(build)"
+      - name: Run Tests
+        run: cd spork && janet -l ./bundle -e "(test)"
+      - name: Test Install 
+        run: janet -e "(bundle/install `spork`)"
diff --git a/bundle/init.janet b/bundle/init.janet
index 7fd70e2..6b8d9bd 100644
--- a/bundle/init.janet
+++ b/bundle/init.janet
@@ -39,6 +39,9 @@
       :windows cc/msvc-compile-and-make-archive
       cc/compile-and-make-archive))
 
+  (when (= :windows (os/which))
+    (setdyn cc/*msvc-libs* (cc/msvc-janet-import-lib)))
+
   (defn make1
     [name & other-srcs]
     (def from (string "src/" name ".c"))
diff --git a/spork/cc.janet b/spork/cc.janet
index 205db59..ff25c94 100644
--- a/spork/cc.janet
+++ b/spork/cc.janet
@@ -91,6 +91,11 @@
   (if (= "Library" (last parts))
     (path/abspath (string sp "\\..\\C\\"))))
 
+(defn msvc-janet-import-lib
+  "Get path to the installed Janet import lib. This import lib is needed when create dlls for natives."
+  []
+  (string (msvc-cpath) "\\janet.lib"))
+
 (defn- default-exec [&])
 (defn- exec
   "Call the (dyn *visit*) function on commands"
diff --git a/spork/misc.janet b/spork/misc.janet
index c34f707..023d7b4 100644
--- a/spork/misc.janet
+++ b/spork/misc.janet
@@ -6,8 +6,6 @@
 
 (import spork/rawterm)
 
-(def- eol (if (= :windows (os/which)) "\r\n" "\n"))
-
 (defn dedent
   ```
   Remove indentation after concatenating the arguments. Works by removing
@@ -110,10 +108,10 @@
   (buffer/popn topbuf 3)
   (buffer/popn midbuf 3)
   (buffer/popn botbuf 3) # 3 bytes, 1 char
-  (buffer/push topbuf (string "╮" eol))
-  (buffer/push midbuf (string "╡" eol))
-  (buffer/push botbuf (string "╯" eol))
-  (buffer/push hbuf eol)
+  (buffer/push topbuf (string "╮\n"))
+  (buffer/push midbuf (string "╡\n"))
+  (buffer/push botbuf (string "╯\n"))
+  (buffer/push hbuf "\n")
 
   # build large buffer
   (buffer/push topbuf hbuf midbuf)
@@ -128,7 +126,7 @@
         (string/repeat " " (- width len))
         item
         "│"))
-    (buffer/push topbuf eol))
+    (buffer/push topbuf "\n"))
   (buffer/push topbuf botbuf)
   topbuf)
 
diff --git a/src/cmath.c b/src/cmath.c
index 31c774c..1221e80 100644
--- a/src/cmath.c
+++ b/src/cmath.c
@@ -106,6 +106,8 @@ int64_t _mulmod_impl(int64_t a, int64_t b, int64_t m) {
 Janet wrap_nan() {
 #ifdef NAN
     return janet_wrap_number(NAN);
+#elif defined(_MSC_VER)
+    return janet_wrap_nan(nan("nan"));
 #else
     return janet_wrap_number(0.0 / 0.0);
 #endif
diff --git a/test/suite-misc.janet b/test/suite-misc.janet
index c133e2b..38b9367 100644
--- a/test/suite-misc.janet
+++ b/test/suite-misc.janet
@@ -43,7 +43,7 @@
 │   4│5│5│5│5│
 ╰────┴─┴─┴─┴─╯
   ```)
-(assert (= (-> output string/trim) (-> expected string/trim)))
+(assert (= (-> output string/trim) (->> expected (string/replace-all "\r" "") string/trim)))
 
 (def output2
   (misc/capout
@@ -57,7 +57,7 @@
 │  小苹果│    4│
 ╰────────┴─────╯
   ```)
-(assert (= (-> output2 string/trim) (-> expected2 string/trim)))
+(assert (= (-> output2 string/trim) (->> expected2 (string/replace-all "\r" "") string/trim)))
 
 (assert
   (deep= (misc/map-keys string {1 2 3 4}) @{"1" 2 "3" 4})