** Protect your private data without using any additional software
Step 1: Select the folder which you want to password protect.
Step 2: Right click and select the option : Send to -> Compressed (zip) folder.
Step 3: A new zip folder is created.
Step 4: Double click to open the folder.
Step 5: Go to file and select add password.
Step 6: Set the desired password.
Step 7: The contents of the folder can be viewed but can not be opened without a valid password.