Microsoft Windows is far from perfect and lacks many settings desired by sophisticated users. Over time, Windows tends to slow down and become cluttered due to leftover files and Registry entries. Ashampoo WinOptimizer 2021 is a customizable Windows cleaner and accelerator. You decide which applications and services auto-run with Windows. This helps you free up memory and speed up startup times. Privacy protection is another focus of the program, with the ability to significantly limit telemetry and data collection, a godsend especially for Windows 10 users! Ashampoo WinOptimizer 2021 includes a total of 23 modules to boost and customize Windows systems. The program also analyzes your OS and hardware, wipes or encrypts data and helps with file recovery. User rights and power scheme management is also included. And to gauge performance, the software comes with two benchmarks. This latest edition features up-to-date cleaners and includes Internet Tuner for optimized network settings for the first time. Version 2021 now features Disk Doctor to assess hard disk health.