If you see That password isn't correct, Be careful, BitLocker warning, even when the password is correct, this article will help you get around this issue.

To fix the “Cannot install Windows, BitLocker Drive Encryption is enabled on selected partition” error, suspend BitLocker via Settings or Control Panel, or use your recovery key to unlock the ...

If you have a BitLocker recovery key or you have backed it up to your Microsoft account on your Windows PC, you can use the recovery key to unlock the drive and install Windows without any issue.