Need some guidance gymbros😭🙏🏾

Bhai I just started gym 2 days ago ..First day was fine did mostly cardio same with 2nd day..But body pain bohot horaha hai specially legs and waist area ..chalne mai bhi dikkat horahi hai ..Please let me know how do I recover fast from a workout..This pain is really demotivating and I don't want it to ruin my weight loss journey.

Also should I start any supplement like multivitamin or something else please let me know