What will you be doing with this PC? Be as specific as possible, and include specific games or programs you will be using.

Gaming, explicitly Red Dead Redemption 2 and Microsoft Flight Simulator 2020. Apart from that only browsing/office/media consumption.

What is your maximum budget before rebates/shipping/taxes?

1000€ (1100$), preferably less.

When do you plan on building/buying the PC? Note: beyond a week or two from today means any build you receive will be out of date when you want to buy.

  As soon as final parts selection is settled

What, exactly, do you need included in the budget? (Tower/OS/monitor/keyboard/mouse/etc)

Tower, monitor.

Which country (and state/province) will you be purchasing the parts in? If you're in US, do you have access to a Microcenter location?

Germany

If reusing any parts (including monitor(s)/keyboard/mouse/etc), what parts will you be reusing? Brands and models are appreciated.

Human interface devices (USB)

Will you be overclocking? If yes, are you interested in overclocking right away, or down the line? CPU and/or GPU?

RAM yes (XMP) and GPU maybe.

Are there any specific features or items you want/need in the build? (ex: SSD, large amount of storage or a RAID setup, CUDA or OpenCL support, etc)

 SSD, WiFi.

Do you have any specific case preferences (Size like ITX/microATX/mid-tower/full-tower, styles, colors, window or not, LED lighting, etc), or a particular color theme preference for the components?

Small size, no bling/window required, acceptable build quality

Do you need a copy of Windows included in the budget? If you do need one included, do you have a preference?

Nope.

I've got this so far and would love your opinion on possible upgrades and especially if this will run the !mentioned games at decent settings/fps.

The screen is recommended by Hardware unboxed.

PCPartPicker Part List