System Requirements

Camtasia (Windows)

• Microsoft Windows 7 SP1, Windows 8, and Windows 10 (Required: 64 Bit versions only)
• 2.0 GHz CPU with dual-core processor minimum (Recommended: Quad-core i5 processor or better)
• 4 GB RAM minimum (Recommended: 8 GB or more)
• 2 GB of hard-disk space for program installation
• Display dimensions of 1024×768 or greater
• Microsoft .NET 4.6.0 or later version (included)
• Dedicated Windows-compatible sound card, microphone, and speakers (Recommended)
• Windows N requires the MediaFeature Pack for Windows N

Feature-specific requirements (Windows)

• Camtasia Add-in for PowerPoint requires PowerPoint 2010, 2013, 2016 (32-bit or 64-bit)
• Playback using the Smart Player is supported on Internet Explorer 11+, Chrome, Edge, Firefox, Safari 9+, iOS 9+, Android 4+ (Latest Chrome required)
• Camera video recording requires a USB Web Camera
• Integration with TechSmith Relay requires TechSmith Relay Client Recorder
• GPU acceleration requires DirectX compatible video adapter with 128 MB of video memory or greater and Pixel Shader 4.0 or later
• 4K guidelines

resource : system requirement