If you need to update Magento 2 Google Indexing API Extension by Magefan, please follow the steps below.

Note: the updating instructions depend on the method the Google Indexing API extension was installed with.

Update using composer

If the Google Indexing API module was installed via the composer (check if vendor/magefan/module-google-indexing folder exists), then you need to run these simple CLI commands in Magento 2 directory:

composer remove magefan/module-google-indexing
composer require magefan/module-google-indexing ^x.x.x
# replace x.x.x with the version you want to use
php bin/magento setup:upgrade
php bin/magento setup:di:compile
php bin/magento setup:static-content:deploy

Note: if you don't want your website to be down during deployment, try these zero downtime deployment commands for Magento 2.

Update using archive and FTP

If the Google Indexing API module was installed via FTP (check if app/code/Magefan/GoogleIndexing folder exists), then follow these commands:

1. Download the latest version of the Google Indexing API extension archive from magefan.com.

2. Extract archive.

3. Make the backup copy of the app/code/Magefan/GoogleIndexing folder on your server and then remove it.

4. Using FTP, copy the app folder from the archive to your Magento 2 Directory. 

Install Magento 2 Extension Using FTP

4. Run update CLI commands in Magento 2 directory:

php bin/magento setup:upgrade
php bin/magento setup:di:compile
php bin/magento setup:static-content:deploy