Browse to your downloaded talend-csv-1.0.0.jar and select it.
: Go to Preferences > Maven and uncheck the Offline setting. This allows Studio to download missing dependencies from the Talend repository.
Talend maintains its own artifact repository. This is the most "official" way to retrieve the file. https://talend.com
If you have successfully downloaded or located the JAR file, follow these steps to integrate it into your Talend environment: