Upgrade FRP client 5.0.x -> 5.3.x

[FA1]

Dear All,

we are using FRP in connection with ePO on prem, and, we are looking to upgrade our FRP clients from 5.0 to 5.3, and I was wondering what would be the best way to go about this.

Our user base is high-key and not very fond of reboots. Obviously, we would therefore prefer to just push the client down from ePO, install it silently over the old version without a reboot. However, the documentation mentions that for an upgrade you need to uninstall the old client and then install the new version. The uninstall section as well as the install section of the docs mention required reboots. That would mean to restarts just to upgrade FRP. 

What is your experience?

Thanks All