If you would like your score to start with a pick-up, select within the main menu "Score" the tab "Measure". There's a button "Pick-up".
A new window opens. Select the desired options for your pickup bar and confirm "Okay". It is possible to shorten the last bar accordingly.
Sometimes it's necessary to add a pickup bar within your score. For example, when you're working with repeats:
>>There'll be a new video here shortly. In the meantime, please try the German version.