14.copy: ctrl + c
paste: ctrl + v
15. select the file that you want, then press ctrl. While pressing ctrl, at the same time, select the other file or folder that you would like to select.
16.Nothing. But, if you delete the existing program, the shortcut won't work.
17. Press right click>new>shortcut>a wizard will open, press browse> select the file that you would like to have a shortcut for>press OK>press next> type a name for the shortcut, that you would like to have (optional) > click finish
18. Lets get back to basics. If you deleted anything, it would go to the recycle bin. Later, if you would like to restore it, you could restore it by going to the recycle bin, look up the file that you've deleted> right click > restore. The file would appear at the place where you've deleted from. Now, emptying the Recycle Bin would delete all the files in the recycle bin permanently, which means, that you can't restore any files that you've deleted, all the files in the recycle bin are gone when emptied, and can't be replaced.
19.If you've forgotten where you've placed a file or misplaced it (on the computer) you could use the search companion to let it search the computer for you for that file. Just enter the name of that file in the search companion, and click enter, for it to search.
20. I didn't understand, what tutorial are you talking about?