The company has moved toward a subscription model (Softorino Apps) that gives you access to Folder Colorizer 2 along with their other popular tools like WALTR and YouTube Converter for one monthly or yearly fee.
: If you previously purchased a lifetime license for older versions, you must download the specific "Earlier Version" build from the Softorino Help Center to use your existing serial key. How to Get a Key Legally folder colorizer 2 serial key