How to save manually in Penumbra Overture & Penumbra: Black Plague?

I know that part of the fun of playing "Penumbra" is not being able to save at whim, but maybe someone likes to have the option of manual saving, so here it is.

You can save the game manually at some locations in the game (at artifacts) but they are few and far between. To enable manual saving feature, follow the steps below:

I) Do the following based on your Windows:

1. In Windows Vista, go to "C:\Users\your_username\Documents", in which your_usernam is the name of your Windows username (e.g. Alice or Jack or ...)
2. In Windows XP, go to "C:\Documents and Settings\your_username\My Documents", in which your_usernam is the name of your Windows username (e.g. Alice or Jack or ...).

II) From there go to "Penumbra Overture\Episode1" or "Penumbra\Black Plague".

III) Here you find a file named "settings.cfg". Open it with a text editor (e.g. Wordpad) and find the line containig AllowQuickSave="false" and change it to AllowQuickSave="true". Save the file and start the game.

IV) While in game, you can quicksave by pressing the F4 button. When you do this, your data will be saved in the autosave section. (**Be careful not to press F5**)

V) So, to load your manually saved game, press Esc and go to Load Game -> Auto Saves and the topmost save is your manually saved data. (or alternatively use the F5 button to load last autosave)

We're done! Just remember that Auto Saves section has limited save slots, so save your progress wisely or copy the save folder every once in a while.

How to back up user profiles in Call of Duty 4?

This is a guide on how to keep your user profile data intact in COD4 when you want to have them on another system or when you change your OS.

It's actually quite simple:

I - First, make a copy of the user profile you wanna keep. This is how to do it:
1 - Go to you COD4 installation folder (for example it may be C:\Program Files\Call of Duty 4 - Modern Warfare)
2 - Now go to players folder and then profiles.
3 - Here you can see one folder for each user you have created.
4 - Enter the folder of the user which you wanna keep and copy it's contents somewhere safe (by content I mean: config.cfg, config_mp.cfg and mpdata)

(Caution! if you have new profiles on the new COD4 and you want to keep them too, things get a little tricky. There's a way to keep them too but, come on already, let them go!)

III - In the new installation of Call of Duty 4 create a new profile, if you haven't already, and then go to Options -> Multiplayer Options -> Enter Key Code section and enter the same key code that you had for your old profile (the one that you want to port into the new system).

IV - Now quit the game. Go to COD4 installation folder and then players folder and then profiles folder. Here, create a folder with any name you want. This will be the name of your new profile with the same settings as the old profile. Finally, copy the files that you backed up to this folder (i.e. config.cfg, config_mp.cfg and mpdata) and you're done. Just start the game and enter the profile. Voilà! it's all there!