Windows 10 - version 1909 warning
Microsoft is now warning users of version 1909, to update their computer. Version 1909 will no longer receive security updates after 11th May. You may see the following warning displayed on the taskbar: 'Your version of Windows 10 will reach end of service soon. Click to download a newer version of Windows 10 to stay supported.'
To see which version of Win 10 you have, type winver in to search box, and press enter.
Not all computers can be updated to a new version.