How should I generate the Link that I will share with those who must complete the form?

Welcome to the community, @remipmep! If you are planning to use, Enketo aka the web form to collect data; you could do the same as outlined in the support article Collecting Data through Web Forms. Similarly, if you are planning to use KoBoCollect android app, you could do the same as outlined in the post discussed previously, which has a link to the support article Collecting Data with KoBoCollect on Android: