Searching for a "patched crack" is a high-risk, low-reward endeavor. In the world of trading, is everything—and you can't have an edge if your platform is unstable, your data is compromised, or your brokerage account is at risk of being drained by the very "crack" you installed.
You can use NinjaTrader for free for advanced charting, backtesting, and trade simulation. You only need a paid license to trade live.
If a cracked version of the software glitches during a high-volatility move, you may be unable to close a losing position. There is no technical support for a pirated copy, and a single failed trade could cost you far more than the price of a legal license.