Kseniya I use Tesco and order via the app on my phone. Obviously a system that is new to you will take a little time to get used to, but I find it fairly straightforward.
The main problem I think you might have is being able to book a home delivery slot in the first place as they're very busy!
They do offer a "click and collect" option, also on the app, if you have a store near you.
You'll be able to see if this is available in your area, though if you're in quarantine presumably your husband would have to collect.
You don't get out of the car, just park where they say and the shopping is put in the boot for you.
From what friends say you might be more successful getting a delivery slot using the Co-op or Iceland, or try Ocado.