Win7 system mistakenly delete QQ friends how to do?

Win7 System mistakenly delete QQ friends how to do?

1, first login QQ account, we click on the main panel QQ name next to the triangle, and then click on "My QQ center" function key;

2, at this time will pop up "my QQ Center" page, in this page we click on the top of the toolbar in the "Data" function key;

3, came to the "material" page, the top toolbar will appear below the "Find lost Friends" green function key, we click on the function key;

4, then the page will be transferred to the "QQ Recovery System" page, and then we click "Restore QQ Friends" function button;