If you have several trees in your property, it would be a good idea to learn something about tree maintenance. You can improve the overall look of your property if you take care of your trees properly. Also, you will prevent branches from falling off or growing in the undesirable direction.
Of course, most people never had the change to learn something about tree maintenance so the best thing to do would be to do some reading about it. If you don't have the time to do this, you could simply hire a company that will take care of all the work for you. This is the easiest option, but it's not fun and costs money.
If you want to prune your own trees, you will need the right tools. There are many of them available online so you only have to do a quick search and have them delivered to your home. Before you start the work, it would be wise to watch some of the videos on YouTube on tree maintenance. These will help you figure out the details and will certainly help you to avoid some rookie mistakes. And after you practice for a while, you will become a true master of the craft.