Install
Upload it under Plugins → Add New Plugin → Upload Plugin, then activate.
Install straight from GitHub with WP-CLI:
wp plugin install https://github.com/xxsimoxx/xsx-spoof-ua/releases/download/1.0.0/xsx-spoof-ua-1.0.0.zipNo built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.

Spoof User Agent
Plugin for ClassicPress.
Change your User Agent to whatever you want.
Go to Settings > Spoof User Agent to configure the User Agent exposed when doing HTTP requests.
Releases
1 release. Each count is every asset in that release; expand a row for the breakdown.
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Published
Assets
Downloads