!65 move install vc step to building

Merge pull request !65 from chenjianping/master

tutorials/source_en/advanced_use/mindspore_cpu_win_install_en.md

@@ -56,7 +56,6 @@ This document describes how to quickly install MindSpore on a Windows system wit
     python
     import mindspore
     ```
-    > - Before running the preceding command, ensure that [Visual C ++ Redistributable for Visual Studio 2015](https://www.microsoft.com/zh-CN/download/details.aspx?id=48145) is installed.
 
 ### Installing Using the Source Code
 
@@ -73,7 +72,8 @@ This document describes how to quickly install MindSpore on a Windows system wit
     ```
     > - Before running the preceding command, ensure that the paths of mingw64\bin\ and the executable files cmake have been added to the environment variable PATH.
     > - In the build.sh script, the git clone command will be executed to obtain the code in the third-party dependency database. Ensure that the network settings of Git are correct.
-    > - If the compiler performance is strong, you can add -j{Number of threads} in to script to increase the number of threads(Default -j6). For example, `call build.bat -j12`.
+    > - If the compiler performance is strong, you can add -j{Number of threads} in to script to increase the number of threads(Default 6). For example, `call build.bat 12`.
+    > - Before running the preceding command, ensure that [Visual C ++ Redistributable for Visual Studio 2015](https://www.microsoft.com/zh-CN/download/details.aspx?id=48145) is installed.
 
 3. Run the following command to install MindSpore:
 
@@ -87,4 +87,3 @@ This document describes how to quickly install MindSpore on a Windows system wit
     python
     import mindspore
     ```
-    > - Before running the preceding command, ensure that [Visual C ++ Redistributable for Visual Studio 2015](https://www.microsoft.com/zh-CN/download/details.aspx?id=48145) is installed.

tutorials/source_zh_cn/advanced_use/mindspore_cpu_win_install.md

@@ -56,7 +56,6 @@
     python
     import mindspore
     ```
-    > - 在执行上述命令前，需保证已安装[Visual C++ Redistributable for Visual Studio 2015](https://www.microsoft.com/zh-CN/download/details.aspx?id=48145)。
 
 ### 从源码编译安装
 
@@ -73,7 +72,8 @@
     ```
     > - 在执行上述命令前，需保证mingw64\bin\路径和可执行文件cmake所在路径已加入环境变量PATH中。
     > - build.sh中会执行git clone获取第三方依赖库的代码，请提前确保git的网络设置正确可用。
-    > - 如果编译机性能较好，可在执行中增加-j{线程数}来增加线程数量（默认-j6）。如`call build.bat -j12`。
+    > - 如果编译机性能较好，可在执行中增加-j{线程数}来增加线程数量（默认为6）。如`call build.bat 12`。
+    > - 在执行上述命令前，需保证已安装[Visual C++ Redistributable for Visual Studio 2015](https://www.microsoft.com/zh-CN/download/details.aspx?id=48145)。
 
 3. 执行如下命令安装MindSpore。
 
@@ -87,4 +87,3 @@
     python
     import mindspore
     ```
-    > - 在执行上述命令前，需保证已安装[Visual C++ Redistributable for Visual Studio 2015](https://www.microsoft.com/zh-CN/download/details.aspx?id=48145)。