If you don't have a good control on keyboards, then you can simply right click whilst being in the folder and select "Undo delete," this will perform the same function as CTRL+Z did.
Ọ bụrụ na ị na-adịghị a ọma akara na keyboards, mgbe ahụ, ị pụrụ nanị nri pịa ebe ịbụ na nchekwa ma họrọ "Wepu ihichapụ," nke a ga-arụ otu ọrụ dị ka CTRL + Z mere.