All versions of Windows 10 allow for you to have more than one operating system installed on the computer and it’ll automatically choose to run the operating system of your choice.

Windows 10 will automatically choose an operating system by default, or you can change it and tell Windows 10 what OS you want it to select automatically.

What’s more, you can change the time from the default 30 seconds before Windows 10 automatically begins to boot the operating system to another time that better suits you (if you don’t want to wait as long when you already know the one you most likely want, if you want it to wait longer so you can make your selection, so forth).

Here’s what you need to choose what operating system you would like Windows 10 to run at startup.

This tutorial demonstrates three unique ways to choose a default operating system:

  • How to choose Default OS in Startup and Recovery
  • How to Choose Default OS in System Configuration (msconfig)
  • How to Choose Default OS in Command Prompt

How to Choose Default OS in Startup and Recovery

You can choose your default operating system in Windows 10 from the Startup and Recovery dialog which you can get to from the System Properties.

1. Type “Control Panel” into the Cortana search and then click on the “Control Panel” desktop application from the Best match section.

2. Make sure you choose to view your list of all Control Panel icons in the small icon view from the top right corner of the Control Panel window.

3. From the list of all Control Panel items, tap/click on the “System” link.

4. Click on the “Advanced system settings” link.

5. Select the Advanced tab from the top of the System Properties dialog and then click on “Settings” from the Startup and Recovery section.

6. Under where it says System Startup, use the drop-down menu to select your operating system of choice.

7. Click on the “OK” button when you’re done to save the changes and close the Startup and Recovery dialog.

How to Choose Default OS in System Configuration (msconfig)

You can choose your default operating system from System Configuration aka msconfig.

1. Press the “Windows logo + R” keys, or right-click on the Start menu and click on “Run” to bring up the Run dialog and then

2. Type “msconfig” into Run and press the “Enter” key on your keyboard.

3. From System Configuration, select the Boot tab and then choose the operating system that you want to set as the default from the window by clicking on it once to highlight it and then tap/click on the “Set as default” button.

4. Lastly, tap/click on the “OK” button to save the changes and close the System Configuration window.

5. Click on the “Restart” button when you get prompted to reboot the computer and apply the changes.

Note: Once you choose to restart the computer, it reboots the computer immediately, and all unsaved work will be lost.

How to Choose Default OS in Command Prompt

You can choose your default operating system form the Command Prompt in Windows 10.

1. Type “CMD” into Cortana search and then tap/click on the “Run as administrator” option, so you open the elevated Command Prompt window.

2. Type bcdedit into the command line and then hit the “Enter” key on your keyboard.

3. Each Windows Boot Loader section offers a unique identifier and description for each operating system that you have installed. Find the identifier and description for the operating system that you want to set as the default option.

4. Type bcdedit /default {identifier} and replace where it says “identifier” with the identifier from the command line, i.e. “bcdedit /default {current},” and then hit the “Enter” key on your keyboard.

That’s all.

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