As the most stable version of the current Win10, Microsoft has prioritized the 1909 version of the device updates, along with the 1903 version of the device.
According to foreign media reports,Microsoft has given priority to push windows update in May for 1909 / 1903 devices. Users who want to upgrade may as well go to see if they get the update prompt (update through windows update).
If you haven't received any updates available, you don't need to do anything at present. You may as well wait patiently for Microsoft's official push.
Windows 10 from the latest push During the May update, Microsoft has allowed users to delete or uninstall Cortana by deleting it in Cortana application settings
As for the way to uninstall, open with administrator privileges
In fact, Microsoft explained last year that the main consideration now is to provide Cortana services for enterprise users. The new Cortana will be all about productivity, for example, it will be deeply integrated into Microsoft's office suite. In this case, consumer services will only distract the company from product development. Next, Microsoft will leave the market to Amazon, Google and other companies.