How to increase the resolution of small photos with software that automatically increases the pixels

Do you have any photos taken with an old and limited resolution? How to grow small photos? Software can be very useful for this:

The software can enlarging your image without losing detail has always been impossible… until now. Enlarge your photos up to 600% while perfectly preserving image quality. Official Software Site: https://topazlabs.com/gigapixel-ai/