.. meta:: :description lang=en: xlSlim needs a modern version of Windows and Excel. Only 64-bit is supported. Software Requirements ===================== v 1.0+ ------ xlSlim requires: * Microsoft Windows 8+ * Microsoft .Net Framework 4.8+ * Microsoft Excel 2010+ For external Python environments, xlSlim supports: * Python 3.7 * Python 3.8 * Python 3.9 * Python 3.10 * Python 3.11 .. note:: xlSlim is **64-bit only** at the moment. It will only work with 64-bit Excel and Python.