There is a free Panda Security VPN that you can download from the provider's website. However, this free version comes with limitations, such as a 150MB data limit. This isn't enough data to stream or do much online.
Due to the data cap, it might be a better idea to download the paid version and use the 30-day money-back guarantee as a free trial. This way, you can test out the VPN with the reassurance that if you're not satisfied, you can claim your money-back risk-free.