Keen Jailbreak iOS 9 utility – it’s free tool for PC Windows + Mac. If you have iOS 9 supported device, you can make Jailbreak and install Cydia Store via Keen Jailbreak utility.
Some thing about Keen Jailbreak. If you‘ve never heard of team Keen Team, briefly recall. Consisting of a team of eight people Keen Team, 2013 and 2014, she won the annual competitions for hackers Pwn2Own, held in Tokyo. During these competitions the guys showed two ways to use found their exploits (vulnerabilities) in Safari on the iPhone. Then it took them only 10 minutes to ensure that access to the credentials in social networks and other personal data. Moreover, these smart phones were hacked.