diff --git a/.github/workflows/all-builds.yml b/.github/workflows/all-builds.yml
index 01ff4ef..8a5273f 100644
--- a/.github/workflows/all-builds.yml
+++ b/.github/workflows/all-builds.yml
@@ -35,6 +35,14 @@ jobs:
           args: install pkgconfiglite --checksum e87b5ea3c9142256af60f2d5b917aa63b571e6a0 --checksum-type sha1
 
       - name: Build Qtk
+        if: matrix.os == 'windows-latest'
+        shell: bash
+        run: |
+          cmake -B build/ ${{ matrix.cmake }} -DQTK_UPDATE_SUBMODULES=ON
+          cmake --build build/ -- /m
+
+      - name: Build Qtk
+        if: matrix.os != 'windows-latest'
         shell: bash
         run: |
           cmake -B build/ ${{ matrix.cmake }} -DQTK_UPDATE_SUBMODULES=ON
@@ -52,6 +60,14 @@ jobs:
           path: install/*
 
       - name: Package Qtk
+        if: matrix.os == 'windows-latest'
+        shell: bash
+        run: |
+          cd build/
+          cmake --build . --target package -- /m
+
+      - name: Package Qtk
+        if: matrix.os != 'windows-latest
         shell: bash
         run: |
           cd build/
@@ -104,6 +120,13 @@ jobs:
           sudo apt install libassimp-dev
 
       - name: Build Qtk
+        if: matrix.os == 'windows-latest'
+        shell: bash
+        run: |
+          cmake -B build/ ${{ matrix.cmake }} && cmake --build build/ -- /m
+
+      - name: Build Qtk
+        if: matrix.os != 'windows-latest'
         shell: bash
         run: |
           cmake -B build/ ${{ matrix.cmake }} && cmake --build build/ -- -j $(nproc)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5fae330..ff7e9fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -116,12 +116,18 @@ if(NOT Qt6_FOUND)
 endif()
 
 # Find Assimp
-set(ASSIMP_BUILD_TESTS OFF)
 if(QTK_UPDATE_SUBMODULES)
   message(STATUS "[Qtk] Updating submodules...")
-  set(ASSIMP_INSTALL OFF)
-  submodule_update("${CMAKE_CURRENT_SOURCE_DIR}/extern/assimp/assimp/")
-  add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/extern/assimp/assimp/")
+  include(FetchContent)
+  set(FETCHCONTENT_BASE_DIR ${PROJECT_SOURCE_DIR}/libs CACHE PATH "Missing description." FORCE)
+  FetchContent_Declare(assimp
+      GIT_REPOSITORY https://github.com/assimp/assimp.git
+      GIT_TAG master)
+  set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
+  set(ASSIMP_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+  set(ASSIMP_INJECT_DEBUG_POSTFIX OFF CACHE BOOL "" FORCE)
+  set(ASSIMP_INSTALL OFF CACHE BOOL "" FORCE)
+  FetchContent_MakeAvailable(assimp)
 else()
   find_package(assimp REQUIRED)
 endif()