Screen Link has the following System Requirements:

iOS: Requires iOS 12 or newer
OS: Windows 10, macOS High Sierra 10.13 or newer

4K Capture Utility (Windows)
CPU: 4 th generation Quad-core i5 or better
RAM: 8GB Ram
GPU: GTX 900-series or better

Game Capture HD (macOS)
CPU: Quad-core i5 or better
RAM: 8GB Ram
GPU: dedicated GPU

Screen Link requires a Wi-Fi connection (5 Ghz recommended).

Connect your PC/Mac to the router via Ethernet cable for optimal latency and performance.