How to disable startup applications in windows PC(windows 8/8.1/10)

How to disable startup applications in 

Windows 10 PC 

This method is applicable in windows 8/windows 8.1/windows 10

STEP 1: Open taskmanager(don't know how? click here for tutorial )

                                               

STEP 2: click on start-up

STEP 3: Select the unnecessary application/program from the sart-up list (the program that you intent to disable from startup)

STEP 4: Click on disable button at the bottom right corner of                   the window. 

Now you can see that the application status is displayed as disabled. These disabled applications will not run at startup.