Some states have a more astringent law for tread depths, so check - you didn’t mention what state.
Here’s a link to both good advice about all that as well as best tires money can buy, great deals, great fit to your car + the ability to research/shop/filter each tires’s assets, e.g. you may live where it’s mostly rainy … or blistering hot … or whatever.
UPS will bring your tires to you or a serviceman to install. I take mine to Goodyear Tires, since they can spin balance & check alignment same visit - sometimes while I wait or lunch.