XP gain multiplier mod.
Allows to change experience gain multiplier.
--------------------
HOW TO INSTALL:
1.Unpack to Witcher3\content\content0\bundles
Default location if you have steam version: C:\Program Files (x86)\Steam\steamapps\common\The Witcher 3\content\content0\bundles
Before you start spamming about errors please check screenshot file included. Please.
2.Launch InstallXP.bat file.
3.Done.
--------------------
HOW TO MODIFY:
By default this mod changes experience gain multiplier from monster to 3 and from quests to 2.
IF you want change this, you need to edit a exp_mods.csv file that is located inside InstallXP folder.
Example:
You want 6x multiplier from monsters and 3x from quests.
In order to do so open the InstallXP folder and traverse the path until you find exp_mods.csv" C:\Program Files (x86)\Steam\steamapps\common\The Witcher 3\content\content0\bundles\InstallXP\gameplay\globals\exp_mods.csv
Open exp_mods.csv with any text editor and change the values

from

Kills;Quests
3;2

to

Kills;Quests
6;3

Save file.

Go back to the bundles directory. C:\Program Files (x86)\Steam\steamapps\common\The Witcher 3\content\content0\bundles

Run the InstallXP.bat file.
Done.
--------------------
Works with existing save files.
Works with Witcher 3 v1.03.