Following are the steps to turn off indexing
First open my computer
Then select the local drive and right click on that
After this click on properties , you will get a new pop out.
In this last checkbox "allow indexing service to index this disc for the last file searching" uncheck and apply. you will get other popout.
select all files and click on ok, you can see another popout
For some files you will get access denied, for those files select ignore all.
After this you will notice your computer has speed has increased.
