You can control the agent installed on your computer with jobs. You can specify what and when something should happen, e.g. you can specify that an update is performed and that the device is then restarted. You can even specify after what time the reboot should be performed. You can either name the job yourself or use the Create button. Furthermore you can use a filter for the devices that are affected.
In this example, the device will be updated and rebooted.
You can define the proxy with subnet configuration. You need to define the variable proxy in the subnet configuration and then it is used automatically when downloading.
It is the same for wuinstall download and wuinstall install. If a proxy is already defined, then the variable gets ignored. If proxy is already set it is used in every wuinstall and in download and execute