Version 4.1 introduced improved fitting algorithms, batch processing, and better export compatibility.
| Source | Description | Key Detail | | :--- | :--- | :--- | | | A global archive; highly recommended for safety and integrity. File name: XPSPEAK41.exe | Fully featured freeware; runs on Windows XP/Vista/7/8/10/11 | | Onlinedown.net | A comprehensive software portal with detailed descriptions and user guides. | Windows all versions, freeware, version 4.1 | | ZOL Download (China) | A major Chinese-language download portal offering version 4.12, often with Chinese language support. | 9.53 MB, Win7/WinXP/Win8/Win10 compatible | xps peak fit 41 new download
If you find the 4.1 interface too dated, many researchers are shifting to more modern or open-source alternatives: Version 4
Open XPSPEAK, go to the file menu, and import your text file. Set your energy columns correctly so the X-axis accurately reflects the Binding Energy (eV). | Windows all versions, freeware, version 4
XPSPeak 4.1 is a foundational, lightweight Windows application designed for the visualization and deconvolution of X-ray Photoelectron Spectroscopy (XPS)
Check the box for and select Windows 7 or Windows XP (Service Pack 3) .