While searching for an online, it is crucial to understand that there are two very different pieces of software with almost identical names. Most users looking for a "registration key" are usually trying to unlock professional data recovery tools, while others may simply be looking for the popular data science platform. 1. R-Studio Data Recovery (Paid Tool)
have noted that these licenses are often non-transferable to new PCs. Actually Free Alternatives : Offers a free version for small amounts of data.
You can use R-Studio's Demo Mode for free to see if your files are actually recoverable before buying.