How to completely smash the file win7

win7 system smash file tutorial:

1, use Baidu search software & ldquo; computer housekeeper & rdquo; select & ldquo; ordinary download & rdquo;;

2 Install the downloaded software to the computer, open the main interface of the software, select “Toolbox>;

3. In the more tools in the toolbox, find “File Smash” and open;

4, open the file shredding software, select the type and file to be shredded at the bottom of the interface;

5, add the file to complete, click & ldquo; smash & rdquo;;

6 To confirm here, if you confirm that you want to smash the file, the file will be completely deleted and cannot be recovered;

7. The file is shredded.