How do I change the operating system ID? 的最新解答https://support.mozilla.org/zh-TW/questions/6799782010-05-22T05:19:10-07:00Try to install addon named User Agent Switcher. Then you should be able to select between several pr2010-05-22T05:19:10-07:00AnonymousUserhttps://support.mozilla.org/zh-TW/questions/679978#answer-20180<p>Try to install addon named <a href="https://addons.mozilla.org/en-US/firefox/addon/59/" rel="nofollow">User Agent Switcher</a>. Then you should be able to select between several predefined User Agent strings or define your own. <a href="http://www.useragentstring.com/pages/Firefox/" rel="nofollow">This website</a> may be useful for this task.
</p><p>This string is most likely you have been looking for:<code>
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3
</code>
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