Finding high-ranking keywords for YouTube video SEO involves a combination of research, analysis, and understanding your target audience. Here's a step-by-step process to help you find high-ranking keywords for your YouTube video:

Brainstorm relevant topics: Start by brainstorming topics that are relevant to your video content. Consider the main theme, subject matter, and keywords related to your video.

Use YouTube search suggestions: Enter a primary keyword related to your video topic in the YouTube search bar. YouTube's autocomplete feature will provide suggestions based on popular searches. These suggestions can give you insights into commonly searched phrases or keywords.

Use keyword research tools: Utilize keyword research tools to identify high-ranking keywords and assess their search volume and competition. Some popular keyword research tools for YouTube include:

Google Trends: This tool allows you to explore keyword popularity over time and compare multiple keywords.

YouTube's Keyword Planner: It provides insights into search volume, competition, and related keywords specific to YouTube.

VidIQ and TubeBuddy: These browser extensions offer keyword research features, competition analysis, and insights to optimize your YouTube SEO.

Analyze competitor videos: Analyze videos from competitors or channels with similar content to yours. Look for keywords they are targeting in their video titles, descriptions, and tags. This can provide ideas and insights into keywords that have been successful in your niche.

Consider long-tail keywords: Long-tail keywords are more specific and usually have lower competition. They may attract a smaller but more targeted audience. Include relevant long-tail keywords in your video title, description, and tags to optimize for these specific search queries.

Analyze search intent: Consider the intent behind the keywords you select. Are users looking for tutorials, reviews, explanations, or comparisons? Understanding search intent will help you create content that aligns with what users are seeking.

Prioritize relevance and engagement: While it's important to target high-ranking keywords, ensure they are relevant to your video content. Optimize your video around keywords that accurately represent your video and will resonate with your target audience. Ultimately, user engagement and satisfaction are critical for long-term success on YouTube.

Test and iterate: SEO is an ongoing process. Monitor the performance of your videos, analyze the keywords that are driving traffic and engagement, and adjust your strategy accordingly. Experiment with different keywords and strategies to find what works best for your specific audience and niche.

Remember, optimizing for keywords is just one aspect of YouTube video SEO. Other factors like video quality, audience engagement, watch time, and video promotion also contribute to the overall success of your YouTube channel.