Download option not available on marketplace extensions
How can download extensions?
Magento has disabled the plugin package download form the Magento marketplace. Read this https://devdocs.magento.com/extensions/install/
You should install the plugin using composer now like following
composer require futurenext/zakeke:1.5.9
then run the setup upgrade and other commands
Early Magento Marketplace Allowed to download extension package from the same dropdown where extension version written.
But now you can't able to do that one.
You can directly install those extension into magento using below commands.
composer require swissup/absolute-metapackage:1.5.0
composer require bitexpert/magento2-force-customer-login:4.1.0