Baal Namib doesn't sell the Novice's Armor until chapter 3, but the player can already become a Templar in chapter 2. What can I do so that Baal Namib now sells the Novice's Armor in chapter 2. What GOG's Versión file, I can edit? To correct this?.

Heavy novice armor is available for purchase starting from chapter 3. It is not the only armor in the game, which is better to skip.)

I understand, but for example at the end of chapter 1, shadows can buy shadow armor or rogues can buy rogue armor or rogue heavy armor, but novices can't buy novice armor or novice heavy armor until the beginning from chapter 3? That's why I want to know which GOG version file to edit, to fix the bug.

It is not a bug, the game is designed this way on intention. And it has nothing to do with GOG, all versions of Gothic are the same.

Of course, you can create a modification to change the conditions of novice robe sale. You need to install GMDK and GothicSourcer v3.14:

https://www.worldofgothic.de/dl/download_28.htm
https://www.worldofgothic.de/dl/download_234.htm

And learn, how to create mods for Gothic. The script, you are interested in is:

./_work/data/scripts/content/Story/MISSIONS/DIA_GUR_1204_BaalNamib.d

But it would be much simpler to insert the robe via console, if you want to wear it earlier in the game:

insert NOV_ARMOR_H

Thank you, I finished chapter 2 and Baal Namib, at no time sells me the heavy novice armor. At the beginning of chapter 3, Gor Na Toth sells me only the medium templar armor, but Baal Namib, he just doesn't even offer me to sell the hevy novice armor, only the text "END" comes out, he doesn't sell it to me.

Once you've become templar, you can no longer purchase novice robes. If you remain novice, you can buy heavy armor in chapter 3.

I get it. as the novices can first develop the 4 circles (4C) of magic in chapter 2, first than the other camps. in chapter 3 you can start as a novice 1H master + 4C magic (and use the heavy novice armor), and then collect the necessary points to be a 2H master +4C templar. Or also, start chapter 3 as a melee templar with 1H & 2H master and then go for the points of the 4 magic circles. That's why they just gave him the heavy novice armor at the beginning of the third chapter I use 1H weapons for melee attack and I attack from afar with magic, which does not make it necessary to go up to the templar category, immediately. Thank you very much for your previous answers.

The Novice Robe can be bought from a Gate Guard of Weed Camp for 500 ores. It`s costly but "it can save your life" and it`s best in Chapter 1.