If you want to learn about retrieve deleted documents from recycle bin, then open the Recycle Bin, find the file which is required, right-click on the file and click Restore. The file will be restored back to its original place. If the Recycle Bin is empty then the only way to get back the file is by restoring it from backup or data recovery software.
Read more – https://notchox.com/resources/how-to-recover-deleted-files-on-windows/