It seems like you provided some text and a key that says 'Screaming Frog SEO Spider 19.2 free instals'. I'll do my best to assist you with your request.

The text appears to be describing the Screaming Frog SEO Spider tool, which is a software application that helps users gather SEO information about any given site, generate reports, and export data to the hard drive. The text also mentions some of the features of this tool, such as crawling websites, finding broken links (404 errors), server errors, and more.

If you're looking for instructions on how to use the free Screaming Frog SEO Spider tool, I can try to provide you with a step-by-step guide. Here's a general overview:

1. Download and install the Screaming Frog SEO Spider software from the official website.

2. Launch the application and enter the URL of your website in the 'Enter URL' field.

3. Choose the crawling options you want, such as which pages to include or exclude, whether to follow links, etc.

4. Click the 'Start' button to begin the crawl process.

5. The software will then scan your website and generate a report on its findings.

Some of the things that Screaming Frog SEO Spider can help you with include:

* Identifying broken links (404 errors) and other types of errors

* Finding duplicate title tags, meta descriptions, and header tags

* Analyzing internal linking structures and identifying potential issues

* Detecting server errors, such as 500 errors or 503 errors

* Providing insights into website structure, including page depth and linking patterns

If you have any specific questions about how to use the Screaming Frog SEO Spider tool, feel free to ask!