2×27 for home office + tips for gaming and setup where there are two computers

I need your support in choosing future monitors and possibly further support with the perfect implementation of my settings. I work in my home office with a Surface Laptop 4 and also have a PC (AGANDO agua 1657r5 invader) that is used for casual gaming (CS, LoL). I would like to two 27 inches Add screens to my settings and use them as smartly as possible with privacy And the Connect the company computer. As I understand it, I need a KVM switch that I can also connect a mouse and keyboard to (simultaneous use excluded).
Question: What monitors and any other adapters/switches would be ideal for my setup?

1. How much money do you want to spend?
800 € for screens + X € for switches?

2. What are the main requirements that you put on the screen?

• Which Screen Size (inches) the screen should contain? 27 inches
• What Precision Should this have? Full HD (1920×1080), WQHD (2560×1440) Ultra HD (3840×2160), or others such as b. UWQHD (3440 x 1440)? WQHD is open to suggestions
• Which refresh rate (Hz) Do you want? 60/120/144/240 Hz etc? 144 is open to suggestions
• What panel technology (IPS, VA, TN…) should the monitor use? Any idea whatsoever, open to suggestions
• Should the monitor support G-Sync or FreeSync? If so, which one? Absolutely no idea
• What connections are required? (Display port, HDMI, DVI, etc.) HDMI and DVI private computer, USB-C corporate notebook (HDMI to USB-C adapter available)

3. Do you need a proprietary and/or professional software monitor? (eg photo editing) If yes, please name the programs and special requirements.

number
Personal: casual games (CS: GO, LoL), surfing
Company: Excel Knecht

4. Do you use other additional monitors? What model, resolution, hz, gsync/freesync and which ports do they have? (Please with a link to the manufacturer or compare prices!)
Currently I am using a BenQ GW2480 (https://www.idealo.de/preisvergleich/OffersOfProduct/5675567_-gw2480-benq.html)
But it will be sold unless I am satisfied that it fits well with the new setup.

5. Which graphics card should the monitor be on? Model and designation (please link to manufacturer or compare prices!):
Special:
Motherboard: Asus Prime A320M-K and AMD A320
Processor: AMD Ryzen 5 1600 6x 3.2GHz
Memory: 8 GB DDR4 RAM PC-3000 (1x 8 GB)
Graphics Card: AMD Radeon RX 570 8GB, XFX XXX Edition

Company: Surface Laptop4
11th Generation Intel® Core™ i7-1185G7 Quad-Core Processor
Iris Plus Graphics 950

6. Do you have any special wishes regarding the monitor? (axis function, wall mount, color, manufacturer, lighting, etc.)
…

7. When do you want to buy the monitor? ASAP or can you wait a few more weeks/months?
During the next two months