If I know there is going to a rough period coming up, I plan in lots mindful activity that I know calms me down. For me this is,
Paint by numbers, lego sets, weeding the garden, cleaning out a drawer, catch up with a good trusted friend, walk in a green space.
I know when anxiety and stress get overwhelming, I need to do more practice at calming my body, so regular breaks from work, eat well, doing regular stretches, limit social media and doom scrolling.
If I'm having an attack, sucking on an extra strong mint as a grounding exercise, going barefoot outside, box breathing and muscle scrunching work for me - insight timer is a free app with meditation exercises on which work for me.
Good luck, living with anxiety sucks, but it isn't forever, it will pass.