You are permitted to use the hdris and textures in any number of personal and commercial projects for yourself or a client. You may modify the hdri according to your requirements and include them into works such as websites, applications, printed materials and others. No attribution or link back to this site is required, however any credit will be much appreciated.
You do not have the rights to resell, sublicense or redistribute (even for free) the files on its own or as a separate attachment from any of your work. If you wish to promote my products on your website, you must link back to the hdripro.com webpage where users can find the download and not directly to the download file.
If you have any questions about the License, feel free to Contact me