Update documents about settings in Windows

Author: yssl

README.md

@@ -38,12 +38,14 @@ VIntSearch means **V**im **Int**egrated **Search**.
     - Download this plugin and extract it in `~/.vim/`
 
 This plugin requires a version of vim with python support. You can check your vim with `:echo has('python')`.
-If your vim doesn't support python, one of the easiest solutions would be installing a more featured version of vim by:  
-`sudo apt-get install vim-nox`
+- Linux: If your vim doesn't support python, one of the easiest solutions would be installing a more featured version of vim by `sudo apt-get install vim-gtk`.
+- Windows: gvim for Windows is already equipped with python support.
 
 ## Getting Started
 
-1. You need Exuberant Ctags to fully use this plugin. If you don't have it, please install it first: ```sudo apt-get install exuberant-ctags```.
+1. You need Exuberant Ctags to fully use this plugin. If you don't have it, please install it first: 
+	- Linux: ```sudo apt-get install exuberant-ctags```.
+	- Windows: Download source & binary for windows from http://ctags.sourceforge.net/ and extract ctags.exe to one of the system path directory.
 2. Install this plugin.
 3. Open one of your source files with vim.
 4. Build a tag file by typing **:VIntSearchBuildSymbolDB**. The tag file will be created in the nearest ancestor dir that contains a repository dir such as ```.git```, or in the current working dir if the source file is not managed by any version control system (You can change this behavior via ```g:vintsearch_searchpathmode```). 

doc/VIntSearch.txt

@@ -42,11 +42,22 @@ VIntSearch means Vim Integrated Search.
 - Search keyword can be from a word under the cursor, visually selected text,
   or any string you type.
 
+This plugin requires a version of vim with python support.
+You can check your vim with `:echo has('python')`.
+
+- Linux: If your vim doesn't support python, one of the easiest solutions 
+would be installing a more featured version of vim by `sudo apt-get install vim-gtk`.
+
+- Windows: gvim for Windows is already equipped with python support.
+
 ==============================================================================
 2. Getting Started                                 *VIntSearch-gettingstarted*
 
-1. You need Exuberant Ctags to fully use this plugin. If you don't have it,
-   please install it first: `sudo apt-get install exuberant-ctags`.
+1. You need Exuberant Ctags to fully use this plugin.
+   If you don't have it, please install it first: 
+   - Linux: ```sudo apt-get install exuberant-ctags```.
+   - Windows: Download source & binary for windows from http://ctags.sourceforge.net/
+     and extract ctags.exe to one of the system path directory.
 
 2. Install this plugin.