Who knows what the requirements will be for games in the next 2 or 3 years.  You can just get the best specked computer you can afford now.  There should be some good deals this Black Friday.  

Here is one from Bestbuy.

https://www.bestbuy.com/site/ibuypower-gaming-desktop-intel-core-i7-9700k-16gb-memory-nvidia-geforce-rtx-2080-super-1tb-hdd-480gb-ssd-black/6362984.p?skuId=6362984

Check here for other Black Friday deals.

https://slickdeals.net/forums/forumdisplay.php?f=41