More importantly than "how" to create your own token is "why" you are creating a token.

Does your token solve a problem that the world, or a community of users has? What is the problem? How does it solve it?

Will your coin represent an asset backed by a product, service, or business? What is the asset? What is it worth? How much of it do you have?

Is your coin's purpose something that already exists? Why is your coin better than the already issued one?

If you can't answer these questions, you should invest in coins that already exist instead of issuing a coin of your own.