Folder Hiding Codes

this picture shows some codes

1. First take notepad and write that is shown below
   
2. second save it as lock.bat
3. then open another notepad and do the same thing in 2nd picture shown below
4. and save it as key.bat
   

ren "your floder name to lock" {21EC2020-3AEA-1069-A2DD-08002B30309D}