Latest Windows 98 user agents:

User Agent Browser Device
Mozilla/5.0 (Windows; U; Windows 98) AppleWebKit/534.41.3 (KHTML, like Gecko) Version/4.0 Safari/534.41.3 Safari 4 Unknown
Mozilla/5.0 (Windows; U; Windows 98) AppleWebKit/533.21.7 (KHTML, like Gecko) Version/5.1 Safari/533.21.7 Safari 5 Unknown
Mozilla/5.0 (Windows 98; the-NP; rv:1.9.0.20) Gecko/8352-08-03 19:45:51.775085 Firefox/3.6.9 Firefox 3 Unknown
Mozilla/5.0 (compatible; MSIE 8.0; Windows 98; Trident/3.1) Internet Explorer 8 Unknown
Mozilla/5.0 (Windows; U; Windows 98) AppleWebKit/531.37.7 (KHTML, like Gecko) Version/4.0.5 Safari/531.37.7 Safari 4 Unknown
Mozilla/5.0 (Windows 98) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/59.0.829.0 Safari/535.2 Chrome 59 Unknown
Mozilla/5.0 (Windows 98; ti-ET; rv:1.9.0.20) Gecko/4095-12-18 06:06:26.889481 Firefox/3.8 Firefox 3 Unknown
Opera/9.42.(Windows 98; sd-IN) Presto/2.9.186 Version/12.00 Opera 9 Unknown
Mozilla/5.0 (Windows; U; Windows 98) AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.1 Safari/533.21.1 Safari 5 Unknown
Opera/8.54.(Windows 98; om-KE) Presto/2.9.185 Version/12.00 Opera 8 Unknown
Mozilla/5.0 (Windows 98) AppleWebKit/536.1 (KHTML, like Gecko) Chrome/33.0.843.0 Safari/536.1 Chrome 33 Unknown
Opera/8.76.(Windows 98; nr-ZA) Presto/2.9.171 Version/10.00 Opera 8 Unknown
Mozilla/5.0 (Windows; U; Windows 98) AppleWebKit/532.2.2 (KHTML, like Gecko) Version/4.0.4 Safari/532.2.2 Safari 4 Unknown
Mozilla/5.0 (Windows; U; Windows 98) AppleWebKit/532.35.4 (KHTML, like Gecko) Version/4.0.4 Safari/532.35.4 Safari 4 Unknown
Opera/8.81.(Windows 98; it-IT) Presto/2.9.163 Version/12.00 Opera 8 Unknown
Mozilla/5.0 (Windows 98; nhn-MX; rv:1.9.0.20) Gecko/8148-01-01 11:13:01.190826 Firefox/3.6.7 Firefox 3 Unknown
Mozilla/5.0 (compatible; MSIE 6.0; Windows 98; Trident/4.1) Internet Explorer 6 Unknown
Mozilla/5.0 (Windows 98) AppleWebKit/536.2 (KHTML, like Gecko) Chrome/23.0.800.0 Safari/536.2 Chrome 23 Unknown
Opera/9.87.(Windows 98; et-EE) Presto/2.9.170 Version/10.00 Opera 9 Unknown
Mozilla/5.0 (Windows; U; Windows 98) AppleWebKit/534.8.1 (KHTML, like Gecko) Version/4.1 Safari/534.8.1 Safari 4 Unknown