Fix sentence structure and grammar

Author: Anchor

en/eBook/01.1.md

@@ -2,32 +2,33 @@
 
 ## Three ways to install Go
 
-There are many ways to configure the Go development environment on your computer, you can choose any one you like. The three most common ways are as follows.
+There are many ways to configure the Go development environment on your computer, and you can choose whichever one you like. The three most common ways are as follows.
 
 
 -  Official installation packages.
-	- The Go team provides convenient installation packages in Windows, Linux, Mac and other operating systems. The easiest way to get started.
-- Install from source code.
+	- The Go team provides convenient installation packages in Windows, Linux, Mac and other operating systems. This is probably the easiest way to get started.
+- Install it yourself from source code.
     -  Popular with developers who are familiar with Unix-like systems.
-- Use third-party tools.
+- Using third-party tools.
 	- There are many third-party tools and package managers for installing Go, like apt-get in Ubuntu and homebrew for Mac.
 
-In case you want to install more than one version of Go in one computer, you should take a look at the tool called [GVM](https://github.com/moovweb/gvm). It is the best tool I've seen so far for achieving this job, otherwise you have to know how to deal with this problem by yourself.
+In case you want to install more than one version of Go on a computer, you should take a look at a tool called [GVM](https://github.com/moovweb/gvm). It is the best tool I've seen so far for accomplishing this task, otherwise you'd have to deal with it yourself.
 
 ## Install from source code
 
 Because some parts of Go are written in Plan 9 C and AT&T assembler, you have to install a C compiler before taking the next step.
 
-On a Mac, once you install the Xcode, you have already have the compiler.
+On a Mac, if you have installed Xcode, you already have the compiler.
+
+On Unix-like systems, you need to install gcc or a similar compiler. For example, using the package manager apt-get (included with Ubuntu), one can install the required compilers as follows:
 
-On Unix-like systems, you need to install gcc or a like compiler. For example, using the package manager apt-get included with Ubuntu, one can install the required compilers as follows:
  `sudo apt-get install gcc libc6-dev`
 
-On Windows, you need to install MinGW in order to install gcc. Don't forget to configure environment variables after the installation is finished.( ***Everything looks like this means it's commented by translator: If you are using 64-bit Windows, you would better install 64-bit version of MinGW*** )
+On Windows, you need to install MinGW in order to install gcc. Don't forget to configure your environment variables after the installation has completed.( ***Everything that looks like this means it's commented by a translator: If you are using 64-bit Windows, you should install the 64-bit version of MinGW*** )
 
-The Go team uses [Mercurial](http://mercurial.selenic.com/downloads/) to manage source code, so you need to install this tool in order to download Go source code.
+The Go team uses [Mercurial](http://mercurial.selenic.com/downloads/) to manage their source code, so you need to install this tool in order to download the Go source code.
 
-At this point, execute following commands to clone Go source code, and start compiling.( ***It will clone source code to you current directory, switch your work path before you continue. This may take some time.*** )
+At this point, execute the following commands to clone the Go source code and compile it.( ***It will clone the source code to your current directory. Switch your work path before you continue. This may take some time.*** )
 
 	hg clone -u release https://code.google.com/p/go
 	cd go/src
@@ -37,7 +38,7 @@ A successful installation will end with the message "ALL TESTS PASSED."
 
 On Windows, you can achieve the same by running `all.bat`.
 
-If you are using Windows, installation package will set environment variables automatically. In Unix-like systems, you need to set these variables manually as follows.( ***If your Go version is greater than 1.0, you don't have to set $GOBIN, and it will automatically be related to your $GOROOT/bin, which we will talk about in the next section***)
+If you are using Windows, the installation package will set your environment variables automatically. In Unix-like systems, you need to set these variables manually as follows. ( ***If your Go version is greater than 1.0, you don't have to set $GOBIN, and it will automatically be related to your $GOROOT/bin, which we will talk about in the next section***)
 
     export GOROOT=$HOME/go
     export GOBIN=$GOROOT/bin
@@ -47,59 +48,59 @@ If you see the following information on your screen, you're all set.
 
 ![](images/1.1.mac.png?raw=true)
 
-Figure 1.1 Information after installed from source code
+Figure 1.1 Information after installing from source code
 
-Once you see the usage information of Go, it means you successfully installed Go on your computer. If it says "no such command", check if your $PATH environment variable contains the installation path of Go.
+Once you see the usage information of Go, it means you have successfully installed Go on your computer. If it says "no such command", check that your $PATH environment variable contains the installation path of Go.
 
-## Use standard installation packages
+## Using the standard installation packages
 
-Go has one-click installation packages for every operating system. These packages will install Go in `/usr/local/go` (`c:\Go` in Windows) as default. Of course you can change it, but you also need to change all the environment variables manually as I showed above.
+Go has one-click installation packages for every supported operating system. These packages will install Go in `/usr/local/go` (`c:\Go` in Windows) by default. Of course this can be modified, but you also need to change all the environment variables manually as I've shown above.
 
 ### How to check if your operating system is 32-bit or 64-bit?
 
 Our next step depends on your operating system type, so we have to check it before we download the standard installation packages.
 
-If you are using Windows, press `Win+R` and then run the command tool, type command `systeminfo` and it will show you some useful information just few seconds. Find the line with "system type", if you see "x64-based PC" that means your operating system is 64-bit, 32-bit otherwise.
+If you are using Windows, press `Win+R` and then run the command tool. Type the `systeminfo` command and it will show you some useful system information. Find the line that says "system type" -if you see "x64-based PC" that means your operating system is 64-bit, 32-bit otherwise.
 
-I strongly recommend downloading the 64-bit version of package if you are Mac users as Go is no longer supports pure 32-bit processors in Mac OS.
+I strongly recommend downloading the 64-bit package if you are a Mac user, as Go no longer supports pure 32-bit processors on Mac OSX.
 
 Linux users can type `uname -a` in the terminal to see system information.
-64-bit operating system shows as follows.
+A 64-bit operating system will show the following:
 
     <some description> x86_64 x86_64 x86_64 GNU/Linux
     // some machines such as Ubuntu 10.04 will show as following
     x86_64 GNU/Linux
 
-32-bit operating system shows as follows.
+32-bit operating systems instead show:
 
     <some description> i686 i686 i386 GNU/Linux
 
 ### Mac
 
-Go to the [download page](http://code.google.com/p/go/downloads/list), choose `go1.0.3.darwin-386.pkg` for 32-bit systems and `go1.0.3.darwin-amd64.pkg` for 64-bit systems. All the way to the end by clicking "next", `~/go/bin` will be added to $PATH after you finished the installation. Now open the terminal and type `go`. You should now see the what is displayed in figure 1.1.
+Go to the [download page](http://code.google.com/p/go/downloads/list), choose `go1.0.3.darwin-386.pkg` for 32-bit systems and `go1.0.3.darwin-amd64.pkg` for 64-bit systems. Going all the way to the end by clicking "next", `~/go/bin` will be added to your system's $PATH after you finish the installation. Now open the terminal and type `go`. You should see the same output shown in igure 1.1.
 
 ### Linux
 
-Go to the [download page]((http://code.google.com/p/go/downloads/list), choose `go1.0.3.linux-386.tar.gz` for 32-bit systems and `go1.0.3.linux-amd64.tar.gz` for 64-bit systems. Suppose you want to install Go in path `$GO_INSTALL_DIR`, uncompress `tar.gz` to the path by command `tar zxvf go1.0.3.linux-amd64.tar.gz -C $GO_INSTALL_DIR`. Then set your $PATH `export PATH=$PATH:$GO_INSTALL_DIR/go/bin`. Now just open the terminal and type `go`. You should now see the what is displayed in figure 1.1.
+Go to the [download page]((http://code.google.com/p/go/downloads/list), choose `go1.0.3.linux-386.tar.gz` for 32-bit systems and `go1.0.3.linux-amd64.tar.gz` for 64-bit systems. Suppose you want to install Go in the `$GO_INSTALL_DIR` path. Uncompress the `tar.gz` to your chosen path using the command `tar zxvf go1.0.3.linux-amd64.tar.gz -C $GO_INSTALL_DIR`. Then set your $PATH with the following: `export PATH=$PATH:$GO_INSTALL_DIR/go/bin`. Now just open the terminal and type `go`. You should now see the same output displayed in figure 1.1.
 
 ### Windows
 
-Go to the [download page]((http://code.google.com/p/go/downloads/list), choose `go1.0.3.windows-386.msi` for 32-bit systems and `go1.0.3.windows-amd64.msi` for 64-bit systems. All the way to the end by clicking "next", `c:/go/bin` will be added to `path`. Now just open a command line window and type `go`. You should now see the what is displayed in figure 1.1.
+Go to the [download page]((http://code.google.com/p/go/downloads/list), choose `go1.0.3.windows-386.msi` for 32-bit systems and `go1.0.3.windows-amd64.msi` for 64-bit systems. Going all the way to the end by clicking "next", `c:/go/bin` will be added to `path`. Now just open a command line window and type `go`. You should now see the same output displayed in figure 1.1.
 
 ## Use third-party tools
 
 ### GVM
 
-GVM is a Go multi-version control tool developed by third-party, like rvm in ruby. It's quite easy to use it. Install gvm by typing following commands in your terminal.
+GVM is a Go multi-version control tool developed by a third-party, like rvm for ruby. It's quite easy to use. Install gvm by typing the following commands in your terminal:
 
     bash < <(curl -s https://raw.github.com/moovweb/gvm/master/binscripts/gvm-installer)
 
-Then we install Go by following commands.
+Then we install Go using the following commands:
 
     gvm install go1.0.3
     gvm use go1.0.3
 
-After the process finished, you're all set.
+After the process has finished, you're all set.
 
 ### apt-get
 
@@ -111,7 +112,7 @@ Ubuntu is the most popular desktop release version of Linux. It uses `apt-get` t
 
 ### Homebrew
 
-Homebrew is a software manage tool commonly used in Mac to manage software. Just type following commands to install Go.
+Homebrew is a software management tool commonly used in Mac to manage packages. Just type the following commands to install Go.
 
     brew install go