Install Docker Desktop on Ubuntu

Update and install required packages

sudo apt update && \
sudo apt install -y apt-transport-https ca-certificates curl software-properties-common

From official Docker guide

curl -fsSL https://get.docker.com -o get-docker.sh

sudo sh ./get-docker.sh

dockerd-rootless-setuptool.sh install

export PATH=/usr/bin:$PATH
export DOCKER_HOST=unix:///run/user/1000/docker.sock

Install Docker Desktop

From Official Docker Desktop Download

Sign in

gpg --generate-key

### init pub key

pass init #your pub key

Now you can sign in Docker Desktop