If you have multiple OS installed, including Windows 10 (and Windows 7) you can configure the system that will run by default at startup. Here is the simple way to do it.
- Press the Windows button + Pause or go to Control Panel> System
- A panel will open
- Please click on "Advanced system settings".
- In Startup and Recovery go to "Settings". A window opens and showing the systems installed on your hard disk:
Photo by Panos Sakalakis on Unsplash
- Scroll down and select the default system that will run at startup.
- Confirm OK.