Troubleshooting
Browse button is missing or not functioning properly
IMCE can be obtained from the project page. You should choose the appropriate release for your drupal installation.
After downloading the package you should extract it to the modules directory. Like any other module, IMCE can be enabled/disabled in modules page.
After enabling the module you can assign access permissions to roles in administer > access control page. The next step is to configure how IMCE will function in your site by changing the settings at administer > settings > imce page.
If IMCE is configured properly;
Browse button is missing or not functioning properly