You do not need a constant internet connection to maintain the activation status. Supported Products
The tool will automatically detect your installed software. Click the icon for the product you wish to activate (e.g., the Windows logo or the Office logo). You do not need a constant internet connection
It is always a good idea to restart your PC to ensure the activation registers correctly. Safety and Risks: A Fair Warning how it works
If you are looking to download this tool for your PC, here is a comprehensive look at what it is, how it works, and what you need to know before using it. What is Re-Loader v2.6 Final? You do not need a constant internet connection
Occasionally, a major Windows update might revert the activation, requiring you to run the tool again. Conclusion