| User agent | Platforms | Hardware |
|---|---|---|
| Opera/4.02 (Windows 98; U) [en] | Windows 98 | desktop |
| Opera/4.10 (X11; Fedora;Linux x86; rv:86.5) Presto/9.2.210 Version/0.14 | Fedora | desktop |
| Opera/4.35 (WinNT4.0) Presto/8.16.376 Version/4.11 | Windows NT | desktop |
| Opera/4.43 (WinNT3.51) Presto/5.14.707 Version/5.19 | Windows NT | desktop |
| Opera/4.64 (Windows NT 6.2) Presto/10.5.686 Version/20.15 | Windows 8 | desktop |