The answer to this depends on how predisposed you are to sing through your natural experiences and abilities. Almost anyone can learn to sing basic tuned songs, but actually singing, at the highest level your potential allows, is going to take a lot of hard work. Research carried out by several universities has shown that training and practice are more a factor than the natural ability to learn to sing. This means that, wherever you are on the talent spectrum, raising your level will require hard work, and by definition, hard work is hard.
Of course, this doesn't mean you shouldn't go ahead. It is a great satisfaction to work towards and achieve a difficult goal. Start with the basics and then gradually move towards more challenging goals with your singing. Yes, anyone who can speak can also learn to sing.
However, the sound quality of the voice depends on several factors. Regardless of a physical vocal disability, with the right training, anyone can learn to sing properly to sing most basic songs. In addition, after doing the exercises for beginners in the singing method of your choice, you are likely to find more advanced concepts and materials. You can find a teacher in your local area, he will be able to make sure he sings safely and implements good techniques, they can correct him and provide guidance.
I think taking classes is the most important thing you can do for yourself because it teaches you to have a work ethic, which is very important in this business, and to be aware of learning new songs, learning old songs and simply perfecting your craft. Sing songs you like and channel your passion into your voice; gestures as you sing will give more depth to your performance and make you sound more believable. Starting with limited tone games (small groups of 3 to 5 notes), you can improve your reading and singing ability simultaneously. Sure, it takes a combination of talent and hard work to become the next Pavarotti or Adele, but anyone can improve their singing voice with hard work and practice.
But do not limit yourself to family and friends, they can be partial or too supportive, which can become a slap in the face when you venture into nature and sing to strangers. They make their work look effortless, it can be easy to forget that they have dedicated hours to it, and for someone who is dabbling in singing it can be overwhelming. You may have heard that anyone can learn to sing in tune, but you may feel that it doesn't apply to you. Like everything else worth doing, learning to sing can be demanding and rewarding at the same time.
It may be easier for those with a musical background to easily enter life as singers, but it is also absolutely possible for you. I have some students who say, “I don't want to do anything with this, singing is just a great release at the end of the week to relieve the stress I have at work, and I love it. Practically anyone else can learn to sing with practice, so don't listen to the nonsense that you don't have the innate talent for singing. Movie stars learn to sing all the time for a role (usually surrounded by a team of vocal teachers and months of daily practice).
In the meantime, breathing exercises will help you improve your lung capacity and use your diaphragm to sing, thus improving your singing resistance and the ability to mimic various levels of tone with precision.