The config file overrides the region lock in 90% of cases. If the text becomes garbled or mixed (some English, some Russian), you need Method 3.
Or in the game install folder:
If you bought a key from a CIS region (Russia, Ukraine, Kazakhstan), the game defaults to Russian. The "hot" fix involves tricking the game into thinking it’s an English build. The config file overrides the region lock in 90% of cases
For certain specialized versions or repacks, check the game installation folder for a file named onlinefix.ini steam_emu.ini force_language.txt Street Fighter X Tekken - PCGamingWiki PCGW The config file overrides the region lock in 90% of cases
Open your and right-click on Street Fighter X Tekken . Select Properties . Navigate to the Language tab. Select English from the drop-down menu. The config file overrides the region lock in 90% of cases