How Do I Change My Windows Operating System?

Open Windows Update by clicking the Start button in the lower-left corner. In the search box, type Update, and then, in the list of results, click either Windows Update or Check for updates. Click the Check for updates button and then wait while Windows looks for the latest updates for your computer.

How do I change the operating system on my computer?

To change the default OS Setting in Windows:

1. In Windows, choose Start > Control Panel. …
2. Open the Startup Disk control panel.
3. Select the startup disk with the operating system you want to use by default.
4. If you want to start up that operating system now, click Restart.

How do I change my default operating system?

Set Windows 7 as the Default OS on Dual Boot System Step-By-Step

1. Click Windows Start button and type msconfig and Press Enter (or click it with the mouse)
2. Click Boot Tab, Click Windows 7 (or whichever OS you want to set as default at boot) and Click Set as Default. …
3. Click either box to finish the process.