Setup_v5.6.4.2_20210521.zip or similar. Avoid versions with 10.0 in the name (those are for Win10/11).
Locate the adapter under (usually labeled 802.11ac NIC ). Right-click the device and select Update Driver Software . Choose Browse my computer for driver software . Click Browse and select the extracted driver folder. Click Next and allow Windows 7 to install the files. ⚠️ Troubleshooting Windows 7 Connectivity Issues comfast cf-812ac driver windows 7
Do rely on automatic Windows Update — it usually won’t find it. Setup_v5