[PROJECT_ROOT]/lib/java/ and refresh your Talend project.
In recent versions of Talend, the process for downloading and managing this JAR is handled through the External Modules Jar Installation Wizard Key Features Related to csv100.jar External Module Management talend csv100jar download new
Execute the following structured Maven installation string to inject the component securely into your local cache layout: [PROJECT_ROOT]/lib/java/ and refresh your Talend project
If you're not using Maven, you can add the JAR file to your project's classpath manually: talend csv100jar download new
Here is some text about downloading the Talend CSV 100 jar:
Talend refreshed the .Java folder without registering the library permanently.