I've been dealing with TS environments since W2000. I was always trained that before I install software on a TS, I must run a "change user /install", and then "change user /execute" when complete.

I avoided terminal multiplexers for years. Zellij is the one that finally stuck.

Windows Terminal is available in Microsoft Store. Hence, if you do not find it on your system, you can install it from there. After installing, you can open, customize and configure Windows Terminal ...