How to Remote Connect to a Windows PC From a Raspberry Pi

Remmina is the program that you would use to do this on the Pi, but it needs some dependencies to be able to work on Raspbian OS. There are a few packages that have these dependencies. The most popular is xrdp because it is built specifically for the RDP protocol. Snap is another but it has a larger footprint that may not be suitable for lower-end Pi devices. So the 3 steps to install Remmina is:Update and upgrade the 

1. Raspbian OS
2. Get the dependencies
3. Install Remmina

https://www.makeuseof.com/tag/remote-connect-windows-pc-raspberry-pi/


https://snapcraft.io/install/remmina/raspbian

You can use this to remote to a Proxmox VE server that hosts multiple Windows guest VMs. This way, you can have an office or a computer lab that does not need to have multiple electricity-sapping full blown Windows stations, but low-cost low-power Raspberry Pi devices including these that have the Pi built into the keyboard.

https://www.raspberrypi.com/products/raspberry-pi-400