Advanced System Optimizer is a legitimate multi-functional system performance and optimization suite for Windows developed by Systweak Software. It includes tools for:

Use built-in Windows tools like Disk Cleanup and Defragment and Optimize Drives , or trusted free third-party utilities like CCleaner (free version).

Using cracked software is a form of software piracy, which is illegal and deprives developers of the resources needed to improve the product. How to Get it Safely