Many websites now require TLS 1.2 or 1.3. This old browser supports only TLS 1.0 and 1.1. As a result:

Double-click the installer package. Select your USB drive (e.g., E:\PortableApps\UCBrowser ). The package will extract files—no Windows registry changes occur.

If you are looking for the best performance on a specific operating system, the 2026 UC Browser APK is also available for Android.

: Extract the downloaded archive folder structures directly into that directory using a standard utility like 7-Zip or WinRAR.