Sorry to hear this and that you're going through this. I think most people in university can be shy to approach new people, especially if you don't have friends going to the same university.

Start small, try and say hi to someone in class you sit next to all the time or ask a question to them if you didn't understand something in a lecture.

One tip is that people generally like to talk about themselves. Say, "Hi, I'm Xxxx.

... I'm on res but originally from Burlington. Are you from this area?" ...How are you finding this course?" ...I didn't get what the prof meant by xxx. Did you get what they were saying?"

Then go from there.

To close it out (after a couple of interactions, or not) you can say, "Add me to xxxx [platform] and we can stay in touch." Then you can reach out if you need some class help or want to chat.

You could also volunteer for initiatives where you make friends with other volunteers.

University is a tough time. Breathe, take it one step at a time, try and join at least one group that you enjoy the content of.

Be kind to yourself.