How to fix an error when installing WordPress?

Question

open server

Installing WordPress 5.5.3 on Open Server 5.3.7, after creating the database and when switching to a new domain, it gives an error:
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in W:\domains\ TS22.localhost\wp-includes\functions.php on line 1086 The
computer is a bit old, it supports a 32 bit system, maybe that's the issue? Guru, tell me, please, I really want to work on creating sites!

Answer 1

put on hosting. These are pennies