Ranking on top was easy in earlier times but now the competition is high. Google changes its algorithms frequently, so comparing to old traditions, there is nothing like spamming trick or any shortcut to rank overnight.
Conditions to rank high-

• • A quality or unique content

• • High Domain Authority

• • At least 1000 words in a blog

• • Quality backlinks

• • Trust and security of the website

Coming to your question, a new website takes around 2-3 years to rank on the first page that also if the quality content was posted persistently.
You can learn SEO in 4-5 months but only if you practice side by side.
Subscribe to an online academy like Udemy and follow the SEO experts like Neil Patel, Rand Fishkin, Digital Deepak. You can also read articles on Moz, Hubspot, Search Engine Land, Search Engine Journal, etc.
Just focus on quality content and the audience will do SEO part by making backlinks and sharing it on social media platforms.