Download https://tails.boum.org/ and put it on a thumb drive. Keep the drive somewhere safe.

If you use any cryptocurrencies, put them in a cold wallet and encrypt + hide your keyphrase (not on the usb drive, somewhere that's safe and away from where you are).

After that... keep your head down and don't make yourself a target!

One additional note, even though you said you're not worried about your physical safety -- set up meeting points with your loved ones away from your home in case something should happen and you can't get back there. If someone runs into trouble and can't communicate, it can be helpful to know where to meet up (same suggestion I'd give to someone moving somewhere with lots of natural disasters, fwiw)