diff --git a/.DS_Store b/.DS_Store
index 468ce65..380710e 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/NexacroN/.DS_Store b/NexacroN/.DS_Store
index 8018712..2f32cc0 100644
Binary files a/NexacroN/.DS_Store and b/NexacroN/.DS_Store differ
diff --git a/NexacroN/iOS/.DS_Store b/NexacroN/iOS/.DS_Store
index 0112692..1a88088 100644
Binary files a/NexacroN/iOS/.DS_Store and b/NexacroN/iOS/.DS_Store differ
diff --git a/NexacroN/iOS/nexacroApp/.DS_Store b/NexacroN/iOS/nexacroApp/.DS_Store
index 36f30db..657009c 100644
Binary files a/NexacroN/iOS/nexacroApp/.DS_Store and b/NexacroN/iOS/nexacroApp/.DS_Store differ
diff --git a/README.md b/README.md
index bc6f842..0aac768 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,14 @@
 
 ## Nexacro 전용 NRE 샘플 프로젝트 입니다.
 
+
+안드로이드 스튜디오 버전은 하기 버전으로 진행 하였습니다.
+
+Zip 파일 Windows(64비트): [android-studio-2020.3.1.24-windows.zip](https://redirector.gvt1.com/edgedl/android/studio/ide-zips/2020.3.1.24/android-studio-2020.3.1.24-windows.zip)
+Mac(Intel): [android-studio-2020.3.1.24-mac.zip](https://redirector.gvt1.com/edgedl/android/studio/ide-zips/2020.3.1.24/android-studio-2020.3.1.24-mac.zip)
+Mac(Apple silicon): [android-studio-2020.3.1.24-mac_arm.dmg](https://redirector.gvt1.com/edgedl/android/studio/install/2020.3.1.24/android-studio-2020.3.1.24-mac_arm.dmg)
+Linux: [android-studio-2020.3.1.24-linux.tar.gz](https://redirector.gvt1.com/edgedl/android/studio/ide-zips/2020.3.1.24/android-studio-2020.3.1.24-linux.tar.gz)
+
 - 버전표시 및 초기 환경세팅 메뉴얼 
 
 | 넥사크로 | 버전 | 프로젝트 환경세팅 메뉴얼 |