Corel WordPerfect Office X8 Pro Upgrade Type: Office Suite Version: Pro Upgrade Operating Systems Supported: Windows Packaging: Download System Requirements: Microsoft Windows 10, Microsoft Windows 8.1, Windows 7 (32-bit or 64-bit editions), with the latest service pack and update installed 1.15 GB hard disk for minimum installation 1 GB RAM (32-bit) or 2 GB RAM (64-bit) 1 GHz or faster (32-bit) or a 64-bit processor 1024 x 768 monitor resolution DVD drive (required for box installation) Mouse or tablet with stylus Microsoft Internet Explorer 11 or later