How to deal with first day of school anxiety?

I will be going to the starting day of university tomorrow. (It's the term for a day that you'll get information) I have a lot of social anxiety and am scared that I wouldn't find friends since I usually don't talk to people myself, I let they come to me. It worked in high school but this is different.. I don't know what to do.. I'm just so anxious.

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It's all new for me by the way and I'll be going alone
How to deal with first day of school anxiety?
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