If you need to update Magento 2 Alternate Hreflang Extension by Magefan, please follow the steps below.

Note: the updating instructions depend on the method the Alternate Hreflang extension was installed with.

Update using composer

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

composer remove magefan/module-NAME
composer require magefan/module-NAME ^x.x.x
# replace NAME with:
# alternate-hreflang - for Basic plan
# alternate-hreflang-plus - for Plus plan
# 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 alternate hreflang module was installed via FTP (check if app/code/Magefan/AlternateHreflang folder exists), then follow these commands:

1. Download the latest version of alternate hreflang extension archive from magefan.com.

2. Extract archive.

3. Make the backup copy of the app/code/Magefan/AlternateHreflang and app/code/Magefan/AlternateHreflangPlus folders on your server and then remove them.

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

Update Magento 2 extension via FTP

5. 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