Password protected folders with & with out SOFTWARE

1) Right-click the folder that you want to make private and choose "Properties"

(or Alt+Double-click). Go to the "Sharing" tab and check the "Make this folder private" box.

Click Apply . If you do not have a password on your account, a box will pop up asking if you want to assign a password. This must be done if you want to make the folder private, so click Yes . You will need to use your password to log on to your computer from then on.
Type in a password then confirm it. Click the "Create Password" button then close the Password window.
Click OK in the Properties dialog box.
Now anyone else logged on to your computer can't access that file without knowing your password.
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2) if ur folder is zipped then directly u can open the file in it and see .... ADD A PASSWORD

and confirm ur password and it ll b safe
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