If you've forgotten your Roblox password, you can recover it by:

If you have lost access to your account, the only legitimate way to recover it is through the official Roblox Support page

Given that actual password cracking is impossible, what is “Roblox Password Cracker Software” in reality? The overwhelming majority of these downloads are malicious. Security researchers and antivirus companies routinely identify such “crackers” as trojans, keyloggers, or information stealers. When a user downloads and runs one of these programs, they are not hacking someone else—they are infecting their own computer. Common payloads include:

Most "cracker" programs are actually designed to steal your information. When you download and run the software, it doesn't hack Roblox; it searches your computer for your browser cookies and Roblox "Security Tokens." Instead of you getting someone else's account, the person who made the tool gets yours. 2. Password "Guessing" is Near Impossible