Introduction

O&O SystemCleaner frees disk space. Analyze temporary files and caches, choose what to remove, and review the space actually recovered.

This user guide explains how to get started, how to use the main features and how to read the results. Choose a chapter from the sidebar, or follow one of the links below.

• First steps: complete a first session.
• Feature overview: find the right workflow.
• System requirements: check access and prerequisites.
• Troubleshooting: solve typical problems.
• FAQ: short answers to common questions.
• Support: prepare a support request.

Menu names and buttons in this manual use their English labels. If the application runs in another language, the controls are in the corresponding places.

O&O SystemCleaner is freeware and free of charge to use. It is also supplied as part of O&O Defrag 32.