If you need to update Magento 2 Multi Blog Extension by Magefan, please follow the steps below. Note that the update instructions depend on the method multi blog extension was installed with.
Update using composer (Method 1)
If the multi blog module was installed via the composer (check if vendor/magefan/module-secondblog folder exists), then you need to run these simple CLI commands in Magento 2 directory:
composer remove magefan/module-secondblog
composer require magefan/module-secondblog ^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
Update using FTP (Method 2)
If the multi blog module was installed via FTP (check if app/code/Magefan/SecondBlog folder exists), then follow these commands:
1. Download the latest version of multi blog extension archive from magefan.com.
2. Extract archive.
3. Make the backup copy of the app/code/Magefan/SecondBlog folder on your server and then remove it.
4. Using FTP, copy app and lib folder from the archive to your Magento 2 Directory.
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