1 - Open Tools > Tasks Scheduler
2 - In the center pane, right-click, and click Create Basic Task
3 - Assign the task a meaningful name and add a description
4 - Choose your Trigger on when you want the task to start screen
5 - Specify the parameter for the weekly task schedule
6 - Choose "Start a program" from the what action do you want the task to perform
7 - On the start a program screen type in the command as the screenshot below. The Task scheduler is intelligent enough to recognize that you want to run PowerShell and that you supplied arguments.