电脑网页插件通常安装在以下路径：

Google Chrome

`C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions`

Microsoft Edge

`C:\Users\Administrator\AppData\Local\Microsoft\Edge\User Data\Default\Extensions`

Mozilla Firefox

`C:\Users\Administrator\AppData\Roaming\Mozilla\Firefox\Profiles\\extensions`

Safari

`C:\Users\Administrator\Library\Application Support\Apple Computer\Safari\Extensions`

Opera

`C:\Users\Administrator\AppData\Roaming\Opera\Opera\Extensions`

Internet Explorer

`C:\Program Files\Internet Explorer\Extensions`

建议将浏览器插件安装在非系统盘（如D盘），以避免影响系统运行速度。