1, with the existing technical means, there is no way to crack the WPA encryption (now basically all WIFI encryption), WPA encryption is very high security, simply can not be broken.
2. Even if you crack the password, you may be able to set up MAC address filtering, but you still can't go up.
3, the so-called password cracking software on the Internet, all are fraudulent, either to waste your traffic, or simply a Trojan horse, be careful to download and use.
4, you can under a WIFI master key, but that software can only be on the hotspot shared by others, if the hotspot has not been shared, simply can not get on.
5, can also crack some simple digital password. For example, 12345678 and other passwords.