So sorry to hear of the loss of your husband, JanAli. Sending you strength and a welcome hug
The first few months after any loss, especially such a close one, are so hard. You are in shock and under so much pressure. I hope you have people around you to help support you, but if you don't, just do whatever helps most and make sure you remember to eat and drink. At this point, it is hard just to get up in the morning, so just do whatever helps and take things one day at a time. If you need to, sort out your finances, so that you have access to your money and otherwise, as long as you have enough to eat and drink, everything else can wait. It is early days for you, so just surviving from day to day will be quite enough to cope with for now.
Everyone on this website is here because they have also suffered a loss, so we all understand and can help you know you are not alone. I hope you find some help here.