If you need to update Conflict Detector for Magento 2 by Magefan, please follow the steps below.

Note: the updating instructions depend on the method the Conflict Detector extension was installed with.

Update using composer

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

composer remove magefan/module-conflict-detector
composer require magefan/module-conflict-detector ^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 conflict detector module was installed via FTP (check if app/code/Magefan/ConflictDetector folder exists), then follow these commands:

1. Download the latest version of the conflict detector extension archive from magefan.com.

2. Extract archive.

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

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