Hi Nikl!
To set a reminder in the Windows 10 Calendar app that will display a pop-up notification at the specified time, you can follow these steps:
1. Open the Calendar app by clicking on the Start menu and searching for "Calendar."
2. Once the Calendar app is open, click on the "+" button or select a specific date to create a new event.
3. In the event creation window, enter the details for your reminder, such as the title and date.
4. Set the time for your reminder to 12:00 PM (or 12:00 if you prefer the 24-hour format).
5. Make sure the "Remind me" option is enabled. It should automatically set the reminder notification to pop up 15 minutes before the event, but you can customize this by clicking on the drop-down menu next to...