Upload to Instagram, TikTok & YouTube from Google Drive

Description This automation template is designed for content creators, digital marketers, and social media managers looking to simplify their video posting workflow. It automates the process of generating engaging video descriptions and uploading content to both Instagram and TikTok, making your social media management more efficient and error-free. Who Is This For? Content Creators & Influencers: Streamline your video uploads and focus more on creating content. Digital Marketers: Ensure consistent posting across multiple platforms with minimal manual intervention. Social Media Managers: Automate repetitive tasks and maintain a steady online presence. What Problem Does This Workflow Solve? M

Help me set up the n8n workflow "Upload to Instagram, TikTok & YouTube from Google Drive" (https://n8n.io/workflows/2894). It uses: HTTP Request, Telegram, Google Drive, OpenAI. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.