VKB-SIM

Just got my Gladiator MK2 and I'm very happy with whatever Windows is squeezing out of it, but I'd like to use all or at least most of its features and it's a bit overwhelming with the multitude of programs and drivers.
At this point I'm not sure what firmware I'm supposed to flash on my unit - is it the http://ftp.vkb-sim.pro/Firmware/Gladiat ... 1_85_B.zip or http://ftp.vkb-sim.pro/Firmware/NJoy32/ ... 1_62_6.zip? If it's the first one then, according to the readme file, I have to use VKBDevCfg-C version: 0.79.9.9, even if 2 years older than the recent VKBDevCfg-C_v0_87_0_5.zip? Also the readme file specifies that for that firmware we should use Wizzo 0.85, but there's nothing like that on the ftp, only Wizzo 0.88 and Wizzo Gf 0.98, so which one should I use?

Thank you in advance and congratulations on your great products - the Gladiator made me retire the Warthog

Thank you!
This soft will help you see the current version: http://ftp.vkb-sim.pro/Programms/show_hid.rar

I already know what version I'm running - it's Gl_V1_85_B. But I also flashed NJoy32_V1_62_6 and it was working too. My question is - which one of these firmware versions should I use for best performance.