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Older windows OS are not getting security updates as provided for latest ones. Either switch to latest windows OS or switch to Linux or any other reliable OS available in market.
Windows 10 V 1507 support will be discontinued after March 2017. Update to continue receiving updates. Updating may require more than 1.5GB data download.
Click or tap the Notification icon in the lower-right corner of the Windows 10 Desktop.
Click the All Settings button.
Click the Update & Security button.
Click the Recovery menu item to reach a screen similar to Figure A.
Figure A
From that screen you will want to click the Restart Now button under the Advanced Startup section. That will restart the computer and present you with a few options. Yes, you will be restarting your computer immediately, so be sure to save your work and close any running apps that need to be closed beforeyou click that button.
Among the list of advanced options should be one that will allow you to start your computer with access to the UEFI firmware and the BIOS settings. Click that option. After the computer restarts you should find yourself looking at the configuration screen for your system’s BIOS.