If you need to update Magento 2 Cookie Consent by Magefan, please follow the steps below.

Note: the updating instructions depend on the method the Cookie Consent was installed with.

Update using composer

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

composer remove magefan/module-cookie-consent
composer require magefan/module-cookie-consent
php bin/magento setup:upgrade
php bin/magento setup:di:compile
php bin/magento setup:static-content:deploy

Update using archive and FTP

If the Cookie Consent module was installed via FTP (check if app/code/Magefan/CookieConsent folder exists), then follow these commands:

1. Download the latest version of the module archive from magefan.com.

2. Extract archive.

3. Make the backup copy of the app/code/Magefan/CookieConsent and then remove it.

4. Using FTP, copy the app and lib folders from the archive to your Magento 2 Directory. 

magento 2 Extension Installation

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

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