If you initially downloaded the software because your PC was slow, use these safe, built-in Windows alternatives instead:
: Microsoft warns that "registry cleaners" can cause serious system issues, and the registry keys these programs target rarely affect performance.
You cannot have all four. There is no "high quality" cracked key from 2018. Any website offering that specific key is a trap designed to infect your machine.
If you are looking to clean or optimize your computer safely, experts recommend using built-in Windows tools or reputable, free alternatives instead of PC Cleaner Pro Free up drive space in Windows - Microsoft Support