diff --git a/src/intro/install/macos.md b/src/intro/install/macos.md
index b3e51bcf..d3bf20a3 100644
--- a/src/intro/install/macos.md
+++ b/src/intro/install/macos.md
@@ -1,6 +1,6 @@
 # macOS
 
-All the tools can be install using [Homebrew]:
+所有的工具都可以用[Homebrew]来安装:
 
 [Homebrew]: http://brew.sh/
 
@@ -15,11 +15,11 @@ $ # QEMU
 $ brew install qemu
 ```
 
-> **NOTE** If OpenOCD crashes you may need to install the latest version using: 
+> **注意** 如果OpenOCD崩溃了，你可能需要用以下方法安装最新版本: 
 ```text
 $ brew install --HEAD openocd
 ```
 
-That's all! Go to the [next section].
+以上是全部内容！转到 [下个章节]。
 
-[next section]: verify.md
+[下个章节]: verify.md
diff --git a/src/intro/install/windows.md b/src/intro/install/windows.md
index e0074035..c1264395 100644
--- a/src/intro/install/windows.md
+++ b/src/intro/install/windows.md
@@ -2,9 +2,9 @@
 
 ## `arm-none-eabi-gdb`
 
-ARM provides `.exe` installers for Windows. Grab one from [here][gcc], and follow the instructions.
-Just before the installation process finishes tick/select the "Add path to environment variable"
-option. Then verify that the tools are in your `%PATH%`:
+ARM提供了用于Windows的`.exe`安装程序。从[这里][gcc]获取, 然后按照说明操作。
+在完成安装之前，勾选/选择"Add path to environment variable"选项。
+然后验证环境变量是否添加到 `%PATH%`中:
 
 ``` text
 $ arm-none-eabi-gdb -v
@@ -16,15 +16,12 @@ GNU gdb (GNU Tools for Arm Embedded Processors 7-2018-q2-update) 8.1.0.20180315-
 
 ## OpenOCD
 
-There's no official binary release of OpenOCD for Windows but if you're not in the mood to compile
-it yourself, the xPack project provides a binary distribution, [here][openocd]. Follow the
-provided installation instructions. Then update your `%PATH%` environment variable to
-include the path where the binaries were installed. (`C:\Users\USERNAME\AppData\Roaming\xPacks\@xpack-dev-tools\openocd\0.10.0-13.1\.content\bin\`,
-if you've been using the easy install) 
+OpenOCD 官方没有提供Windows的二进制版本， 若你没有心情去折腾编译，[这里][openocd]有xPack提供的一个二进制发布.。按照说明进行安装。然后更新你的`%PATH%` 环境变量，将安装目录包括进去。 (`C:\Users\USERNAME\AppData\Roaming\xPacks\@xpack-dev-tools\openocd\0.10.0-13.1\.content\bin\`,
+如果使用简易安装) 
 
 [openocd]: https://xpack.github.io/openocd/
 
-Verify that OpenOCD is in your `%PATH%` with:
+使用以下命令验证OpenOCD是否在你的`%PATH%`环境变量中 :
 
 ``` text
 $ openocd -v
@@ -34,17 +31,16 @@ Open On-Chip Debugger 0.10.0
 
 ## QEMU
 
-Grab QEMU from [the official website][qemu].
+从[官网][qemu]获取QEMU。
 
 [qemu]: https://www.qemu.org/download/#windows
 
 ## ST-LINK USB driver
 
-You'll also need to install [this USB driver] or OpenOCD won't work. Follow the installer
-instructions and make sure you install the right version (32-bit or 64-bit) of the driver.
+你还需要安装这个 [USB驱动] 否则OpenOCD将无法工作。按照安装程序的说明，确保你安装了正确版本（32位或64位）的驱动程序。
 
-[this USB driver]: http://www.st.com/en/embedded-software/stsw-link009.html
+[USB驱动]: http://www.st.com/en/embedded-software/stsw-link009.html
 
-That's all! Go to the [next section].
+以上是全部内容！转到 [下个章节]。
 
-[next section]: verify.md
+[下个章节]: verify.md