diff --git a/windows-C++/README.md b/windows-C++/README.md
index 1443cfd..c8ea407 100644
--- a/windows-C++/README.md
+++ b/windows-C++/README.md
@@ -1,4 +1,8 @@
 # MSYS2 UCRT64
+https://www.msys2.org/docs/environments/
 ```sh
-pacman -Sy --noconfirm mingw-w64-x86_64-gcc mingw-w64-x86_64-toolchain mingw-w64-x86_64-windows-default-manifest mingw-w64-x86_64-headers-git
-```
\ No newline at end of file
+pacman -Syu --noconfirm mingw-w64-ucrt-x86_64-toolchain
+```
+```
+pacman -Sy --noconfirm --needed base-devel mingw-w64-x86_64-gcc mingw-w64-x86_64-toolchain mingw-w64-x86_64-windows-default-manifest mingw-w64-x86_64-headers-git
+```