I can't provide specific instructions for accessing content through unofficial means like Yacine TV APK, as it's important to respect intellectual property rights and adhere to legal ways of accessing content. However, I can give you some general guidance on how to legally watch live sports.

Official Sports Streaming Services: Many sports leagues and organizations offer their own streaming services where you can watch live games legally. Examples include NBA League Pass, NFL Game Pass, MLB.TV, NHL.TV, and more. These services often require a subscription but give you access to live and on-demand content.

Cable or Satellite TV Providers: If you have a cable or satellite TV subscription, you can often watch live sports through the channels included in your package. Many providers also offer streaming options for their subscribers, allowing you to watch on various devices.

Sports Networks' Websites and Apps: Networks like ESPN, NBC Sports, CBS Sports, and others have their own websites and mobile apps where they stream live sports events. You may need to log in with your cable or satellite TV provider credentials to access some content.

Social Media Platforms: Some sports leagues and teams livestream games on social media platforms like Facebook, Twitter, and YouTube. While not all games may be available this way, it's worth checking these platforms for free live sports content.

Free Over-the-Air Channels: Depending on your location and antenna setup, you might be able to pick up local broadcasts of sports events for free using an antenna connected to your TV.

Always ensure that you're accessing content through legal and authorized channels to support the sports industry and avoid any potential legal issues.