Many of you have asked how to play v1, which had more features than the state of v2.
Here's how.
1. Open your game library in Steam.
2. Right Click Carp Fishing Simulator in the list on the left.
3. Select properties
4. Select the BETAS tab on the far right of the properties window.
5. Select 'Old_v1_version - Old version of Carp Fish Sim'
6. Click close in the bottom right of the window.
http://i.imgur.com/huzpqW8.png
The old version should now download. Please note that v1 of carp Fish Sim is no longer being updated.
If you'd like to switch to the latest version, follow the above instructions again but select 'opt out' from the list.