1) First, you have to prepare the "field"... a. Backup your game (just copy the whole folder (Program Files (x86)\Steam\steamapps\common\Fallout New Vegas) in a safe location, also backup the Fallout.ini e FalloutPrefs.ini you can find in the Documents\My Games\FalloutNV, where the save files are located). b. ArchiveInvalidationInvalidated new vegas (base configuration needed to run many mods) - follow the instruction http://modsreloaded.com/new-vegas-archiveinvalidation-invalidated c. NVSE extender (you will run the game using this, not the original launcher). Install the very last beta. Very easy how to just move some files inside the main Fallout director). A button will be present also over the Mod Manager you will install after. http://nvse.silverlock.org/ --- 2) Second, you would like to use a manager (is not necessary, everything could be done manually, but it is usefull to install e uninstall mods the easy and clean way, and keep track of them: All the mods will be installed in the Data folder of Fallout New Vegas, the managers, keep track of what you install so that you can deactivate or uninstall what you dont' like or doesn't work properly without to have to remember every single files. Which Manager? There are a few, the easiest one to me it's Nexus Mod Manager, or/and FOMM (Fallout Mod Manager). I do use bot, because the first is connected to Nexus website and you can download Nexus mods in an automatic way. The second because it have some feature that come handly, like "load order" (called Boss), conflict detector and such. ---- Once you have installed all those things you are ready to browse Nexus New Vegas website to start to download the Mods you like. Raccomandation: read everything. The End. PS: When you become a bit more expert you will like to use also FNVEdit (http://modsreloaded.com/fnvedit) to find possible conflict and error and create your own patches. For very great Fallout New Vegas video tutorials go here: http://www.youtube.com/playlist?list=PL0E5E8CA384409B11 Also, those are for Fallout 3, but many of them are usefull to watch for New Vegas as well: http://www.youtube.com/playlist?list=PL77ECC4B6194E1685