You can access them through the Effects panel (search for "Film Impact") or via the dedicated Film Impact Dashboard located under Window > Extensions . Official Free Options (If you don't use Premiere Pro 25.5+)
If you are using an older version of Premiere Pro or a different editor, Film Impact still offers official free ways to use their software: filmimpact-premium-video-transitions-v4-7-3-x64-pre-cracked
While you may be looking for a way to use these tools for free, there are significant legitimate changes to how Film Impact is distributed that make searching for "pre-cracked" versions unnecessary and potentially risky for your computer's security. Important Development: Film Impact is Now Free You can access them through the Effects panel