The way to get rid of deleted files of a computer

Our computer often has many useful files, such as some laths, some pictures, and some software.  We often delete these required files or delete them in the wrong way.
 Then we are very worried how to bring these files back.  Do not worry.  Now you can easily restore your deleted files.  You do not have to take any software with it.  You can restore deleted files without software.
 ★★ If your file takes longer after deletion, then you can not delete the deleted file.  ★★
 So after removing the necessary files - try again to bring it back.
 ★★★ way to get back
 Go to the file from which it was deleted.  What to do after that
 ★ Press CTRL ---------- A at first
 ★ Then press CTRL ------ Z with it.
 ★ After that the lost files will be returned