How can you prevent your folder without any software installation

Without any software installation you can prevent your folder and data that no one can access your folder and even can not delete your folder

Try this in your laptop or PC having windows OS and enjoy this by applying in your folder 

Follow this steps :

1)open Start --> type "cmd"

one black window is opened called command prompt

2)now set your path in command prompt...

In command prompt there is default path is set this default path is of your current user

3)now type in command prompt "cd.." till your path is like "c:\>"

4)then write a name of your local Drive

eg. G: or D: or E: 

and press enter now you are in this particular drive which you will give in your command prompt

5) type this code in your command prompt and a folder's access is denied so no one access this folder now

"cacls folder_name /e /p everyone:n"

so now your folder has no access and no one even delete this folder

now if you want to access your folder then again follow all above four (4) steps and only 5th step is different only

the code is for access your folder is

"cacls folder_name /e /p everyone:f"

for any query just comment in this post.