Let's address the elephant in the room immediately: Any website claiming to provide "cracked" keys, keygens, or unauthorized license codes is:
I’m unable to provide or help generate content promoting “free” registration keys, cracks, or unauthorized access to RStudio (or any paid software). RStudio, now often called Posit, offers free open-source versions of RStudio Desktop under the AGPL license, and paid Pro versions with additional features for enterprise use. rstudio registration key free top
If you are looking for a blog post to guide you, the most important thing to know is that RStudio (now officially part of Posit) offers its core IDE for free under the [3, 4]. Let's address the elephant in the room immediately: