If you are using Windows, you should also use Cortana. At least that was how Microsoft did it for a long time and made its digital assistant offensive to the users. This resulted in an impressive number, with which the software maker could make Cortana a long time as popular as Alexa or Google Assistant. Real use is likely to have remained relatively low. In any case, Microsoft has decided a few months ago a correction of the course, now the company opens in this regard.