Note : use --ignore-platform-reqs if version compatibility issue occurs like https://prnt.sc/y8ds6u
Remove Old Magento 2 version
# php composer.phar remove magento/product-community-edition --no-update --ignore-platform-reqs -vvv
Install Updated
# php composer.phar require magento/product-community-edition=2.4.1 --ignore-platform-reqs -vvv