Okular Overview
Developed by KDE, Okular is a Free (GPL) productivity app for Windows, Linux. This page is a verified pointer to KDE's own download page, where the publisher controls the format and current version. Okular covers the core productivity workflows: documents, spreadsheets, presentations, and notes — with compatibility across standard file formats including DOCX, XLSX, PPTX, and PDF. System requirements are modest — a current 64-bit Windows and Linux machine with at least 2 GB of RAM and sufficient disk space for the installation. Download Okular from the official KDE website linked on this page.