Run the following command in Magento 2 root directory to install ManiyaTech_Core module via composer.

composer require maniyatech/module-core php bin/magento setup:upgrade php bin/magento setup:static-content:deploy -f 

composer update maniyatech/module-core php bin/magento setup:upgrade php bin/magento setup:static-content:deploy -f 

Run below command if your store in the production mode:

php bin/magento setup:di:compile 

If you prefer to install this module manually, kindly follow the steps described below -

• Download the latest version here
• Create a folder path like this app/code/ManiyaTech/Core and extract the main.zip file into it.
• Navigate to Magento root directory and execute the below commands.

php bin/magento setup:upgrade php bin/magento setup:static-content:deploy -f