thank you~~! :D

Well, if you have a computer then nothings stopping you!
There are quite a few free/cheap alternatives to Photoshop out there for digital painting, you just need to to a tad of research.
The only other thing you need is a tablet, and you can probably get some cheaper older models online that work just fine and are a good way to start getting into digital art without having to commit a huge monetary investment right from the start, especially when you're not sure if you're going to stick with it. ;)

Good luck, and I hope you do start dabbling a bit in digital art! :D