You get access to a public account in OFFLINE mode. 
What do you get after payment? : 
- After the purchase you get a login and password to the account with a licensed game. 
- You can play the game only in OFFLINE! Any network functions of the game in this mode are not available. 
- The purchased game is constantly updated by the publisher 
- Access to the Steam account is available to other buyers. 
- Help and maintenance of the account if necessary 
- There is no possibility to change data and share games on the account 
- Account is protected by STEAM GUARD 
- Access to the account offered by me is not limited in time. 
Instructions on how to activate the game: 
1. Download Steam-client from the official site - 
http://store.steampowered.com/about/ 
2. Install Steam-client (if not already installed) 
3. Log in to the account using the data provided (if you need a GUARD code for entry - contact the seller in the correspondence under the purchase ...) 
4. Download game files 
5. Start the game online for 1 minute and then exit. 
6. Enter offline mode (upper left corner -> Steam -> Go Offline ..) 
7. You can play! 
P.S. Activation flies when you change / update Windows, as well as when you go online. Changing any components of the PC leads to a rush of activation. In case of a problem, write to the seller under the purchase.