Windows might automatically recognize your A4Tech X7 F7 as a standard HID-compliant mouse. That means left-click, right-click, and scrolling will work—but you will lose advanced features:
Visit this link: https://www.a4tech.com/service.asp (If the link doesn't open, go to a4tech.com , click "Support" or "Service" in the menu). Download driver mouse a4tech x7 f7
As the peripheral industry moves toward cloud-based drivers (Logitech G Hub, Razer Synapse), the era of local, lightweight drivers like Oscar is fading. Users should consider extracting and preserving the driver installer on cloud storage for future systems. Windows might automatically recognize your A4Tech X7 F7