Can I use a usb mouse or keyboard as an input to complete the installer?

I planned on using a Bluetooth keyboard to control Kodi on my pi but now realize that I cannot connect it without using ssh or a dongle. Because it won’t connect to WiFi until I complete the install.Speed Test

So I plan on getting an adaptor for usb to microusb. Before I pull the trigger I want to make sure I can do this. Or do I need some sort of remote to control the installer?

You can use a standard USB mouse or keyboard to control Kodi. A keyboard is easier for the initial setup. You shouldn’t need an adapter unless it’s a Pi0.