XPepius is a tools suite for tweaking, optimizing, tuning and cleaning of Windows XP. It helps you increase performance and manage your system using 450+ tweaks and 5 utilities. In addition to the tweaks, the program also offers several tools (Utilities) that include a Start-Up Manager, Uninstaller, Cleanup Center, Disk Cleanup, and XP Styler.

XPepius highlight features:
- Various tweaks to System, Windows, Explorer, Start menu, Desktop, Files, Drives, Control Panel and more;
- Tweaks to Enhance your security and privacy;
- Tweaks for Internet Explorer, Windows Media Player and Microsoft Office;
- Tool to edit registered application paths (program aliases);
- Tool to prevent users from running specified applications;
- Startup Manager to add, delete, enable/disable and edit startup programs from registry and startup folders;
- Uninstaller to easily find and uninstall programs, remove orphaned uninstall info from registry, edit software information and ability to show hidden softwares;
- Cleanup Center to clean temp files, histories, logs, MRU data and other tracks created by Windows, Internet browsers, messengers and 80+ favorite softwares;
- Disk Cleanup utility to find and remove temporary and junk files from disk using various filters and advanced options;
- XP Styler to enable new visual styles for older applications and softwares;
- Skinned, user-friendly and full commented interface;
- HTML help file (help.chm);
- Drag and drop support;
- And many more...