Steps to install SNP tools in Windows Vista and Windows 7 + Excel 2007
0. Download and save SNP_tools in a folder, remember the place.
1. Click the office button:

2. Select the "Excel-option":

3. Select "Add-Ins"

4. Select "Excel Add-ins" and click "Go"

5. Click the Browse button:

6. Select "SNP_tools.xla" you downloaded and click "OK":

7. Check the new item of "SNP tools created by Bowang Chen" and click "OK":

8. A welcome window will show the SNP tools is installed:

9. A new menu item "Add-Ins" will be shown in the main menu bar:

10. Click "Add-Ins", a new group of SNP tools sub-menu will appear:

11. tools sub-menus of SNP tools are ready to use:
