Answers for "install phpmyadmin for php 7.4"

install phpmyadmin ubuntu

sudo apt-get install -y phpmyadmin

install phpmyadmin ubuntu

sudo apt install phpmyadmin php-mbstring php-zip php-gd php-json php-curl
Include /etc/phpmyadmin/apache.conf
sudo systemctl restart apache2


or manualy
wget https://files.phpmyadmin.net/phpMyAdmin/5.0.2/phpMyAdmin-5.0.2-all-languages.zip
sudo apt install unzip
unzip phpMyAdmin-5.0.2-all-languages.zip
mv phpMyAdmin-5.0.2-all-languages phpmyadmin
sudo mv phpmyadmin /var/www/html
sudo mv config.sample.inc.php config.inc.php

how to install mysql and phpmyadmin on windows 10

Download https://www.phpmyadmin.net/downloads/ from here..
Unzip the file and move it on your xampp/wampp folder 
and login with your MySQL credentials