To lock the folder, first download this gofl folder file here
Then execute it, the double-click method, it immediately creates a folder called Lock itself.
Any file or photo or text you want to lock. Pour it inside it and exit it.
Re-launch the gofl folder file. A black-and-white window opens. Inside it, type a y letter and hit the int button.
The Lock folder disappears
To view the folder again, double-click on this file gofl folder and run it.
This time the black page opens, you must type the password
His password is 12345
By typing the password and clicking the intermediate button, the folder disappears from the folder disappears.
To change the password, you can open this file with the notepad and find the old password 12345 and write a new password and file the file and close it.