If you see This PC doesn't support entering a BitLocker recovery password during startup, enable WinRE, tweak Group Policy, ...

Fake IT support sites promote malicious PowerShell "fixes" for common Windows errors, like the 0x80070643 error, to infect devices with information-stealing malware.

Learn how to specify Minimum Length for BitLocker Startup PIN via Group Policy Editor in Windows. Minimum is 4, default is 6, Maximum is 20.