Their SEO content template tool is also a great one for beginners. You have to just put the keyword you want to rank for and the target geo and it will provide you a template to do that. It'll tell you the keywords you need to use in your content and on-page elements and the domains from which you need to rope some backlinks to make your piece rank on the first page.
I just tried and its working fine from my end. When clicking on the link, you should be taken to the SEMrush page where you should be able to grab SEMrush pro account for free for the next 14 days worth $47. Please clear cache for your browser and try then. Please let me know if you still face any issue in claiming the 14 days SEMrush pro account for free.