Step 1-Download Maze lock for Windows.from here
Step2-Open this EXE file and you will see a new window with a pattern of Z drawn by default.
Step 3-Now make your preferred pattern and click on OK, then re-enter the same pattern and then save the backup of that pattern lock in case you forget your pattern..
Step 4-Now click onGeneraltab and click onAuto-Lockat Windows startup and turn that on. You can also tweak settings according to your needs..
Step5-You can also change the background of your Maze lock screen tomake it look more cool. Just click on theBackgroundtab and browse to the location of the image and press OK.