For

For[start, test, incr, body] executes start, then repeatedly evaluates body and incr until test fails to give True.

Example

C-style for loop:

For[i = 0, i < 5, i++, Print[i]]
(* Prints 0, 1, 2, 3, 4 *)

Note: In Wolfram Language, Table or Do are often preferred over For loops.

Please visit the official Wolfram Language Reference for more details.