What does Windows boot management mean what do I need to do when that pops up

[Tracey_1]

How do I restore a Toshiba laptop to factory settings and then the Windows boot management came up what buttons do I need to push to get it to restore to factory settings

 

[luketexas]

Make sure the AC Adapter is plugged in. Press and hold down the 0 (zero) key on the keyboard while powering on the notebook. Release 0 key when the recovery warning screen appears. If the recovery process offers a choice of Operating Systems, select the appropriate one for you.