Any major life change takes time, knowledge, and effort to complete. It is the same when working toward building muscles. You need proper guidance and effective tools to ensure your success. Here are some tried and true ways to build your muscles, and you can put them into place as soon as today.
Don't try to focus on both cardio and strength at the same time. This is not to say you should not perform cardiovascular exercises when you are attempting to build muscle. In fact, cardio is an important part of physical fitness. However, you should not heavily train cardio, such as preparing for a marathon, if you are trying to focus on building muscle. The two types of exercises can conflict, minimizing effectiveness on both fronts.