It's important to keep your Windows operating system updated. Operating systems provide fixes to possible bugs and security holes as well as cleaning up any outdated software that may be slowing down your system.
Please note: it is important to make sure your system is completely backed up via cloud services or another device.
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How do I update my Windows OS?
Select the Start button
Go to Settings > Update & Security > Windows Update
Select Check for updates and install every possible package
Install everything possible
Click the link 'Download and install' to update your system to the latest version
Reboot your computer