There are three main factors that influence your experience:
Your device (meaning your PC, Laptop or mobile)
Your Operating System (meaning the software on your device that enables you to run programs, eg. Windows. Please see the required version above.)
Your browser (meaning the program you are using to access the internet)
All of these must meet the requirements above (first column: Device, second column: Operating System, columns three through six: Browsers) to ensure Wellola is working as intended.