If you are a male or female of average weight then the suggestion would be to either train for strength or train for size. If you have an excessive amount of fat on your body then do weight loss. In our opinion, the main exercises everyone must be doing are squats, bench press, deadlifts, and pull ups. If you are unable to do pullups, then do some sort of assisted pull up. If you decide to train for size (to build a lot of muscle), then make sure to stay in the 8-12 rep range for the major lifts (bench,squat,deadlift). If you train for strength (to build strength and not necessarily focus on muscle growth), then do no more than 5-6 reps for the main lifts. When strength training, the weight will be heavier than when training for size because you are doing less reps. Finally, when doing weight loss, lift any way you want to whether it be following a strength training regimen or size one. You should also do some form of cardio. Some people believe that the only way to lose weight is to run a lot on the treadmill. This is not true at all (speaking from knowledge and experience). The way to lose weight is to take in less calories than what you burn. Use an online calculator to figure out how many calories you are burning in a day. Use that number as a guide to count the calories you take in every day. If you burn 2000 calories a day then take in 1500 calories to have a 500 calorie deficit for the day. If you burn 3500 calories, it will be equivalent to losing a pound, so if you have a 500 calorie deficit daily, it will add up to losing 1 pound a week. It is essential to not lose more than 1 or 2 pounds a week because you want to make sure the weight you are losing is fat and not muscle. The goal is to preserve the muscle and the strength, and lose the fat.
This post was meant to be a general guide for people. If you wish for us to go into detail for your specific goals, feel free to ask. As Salamu Alaykum