Setting up openvpn can be really tricky, i also face difficulties setting up openvpn on windows 8, but here o have mentioned those points by which i had successfully setup VPN "OpenVPN" on windows 8
For example i will be using Purevpn's name as i currently use Purevpn for OpenVPN
Things to Consider:
Before you begin, please make sure that:
You have a working internet connection
Windows Supported Device.
A Premium VPN account (Preferably PureVPN, but your choice matters)
Follow these simple steps to configure PureVPN on Windows 8 OpenVPN:
1 Click here to download PureVPN OpenVPN installer.
2 Right click on OpenVPN installer and select properties.
3 From General Tab, click on “Unblock”, “Apply” and “OK”
4 Right click on OpenVPN installer and select “Open” or Double click to execute
5 Click “Yes” to allow installation
6 Click “Next”
7 Click “I agree”
8 Click “Next”
9 Click “Install” to begin installation
10 Check “Always trust software from “GZ Systems Limited” and click Install
11 Click “Next” once installation completes
12 Uncheck “Show Readme” and click on Finish
13 Right click on OpenVPN GUI icon and “Run as administrator”
14 Click “Yes” to allow application to run
15 Right click on OpenVPN icon from System tray, go to desired server and select “Connect”
16 Insert Username and Password provided by PureVPN.
Important Note: Please always remember your PureVPN username & password is different from your Website client area email address & Password.
17 VPN will establish connection in few seconds
18 You are connected now. Enjoy the Freedom!!!!!!!!!!!
19 To disconnect OpenVPN. Right click on OpenVPN Icon from System tray, go to connected server and select “Disconnect”
Saving account details:
20 Right click on OpenVPN Icon from system tray, go to desired server and select Edit Config
21 Add pass.conf after auth-user-pass parameter and save
22 Open notepad and insert Username in first line and password in second line then save it as pass.conf
23 Open folder where you saved the file, click on View from top and check “File name extensions”
24 Click on View tab and uncheck “Hide extensions for known file types, click “Apply” and “OK”
25 Right click on pass.conf.txt file and rename it
26 From pass.conf.txt, remove .txt, hit enter and click on “Yes”
27 Open OpenVPN installation folder (C:\Program Files\OpenVPN\config) and drag / copy pass.conf file in config folder
28 Click “Continue” to copy file
*Repeat Step 21 and 22 to edit all servers
Step20: Right click on OpenVPN Icon from system tray, go to desired server and select Edit Config
Step21: Add pass.conf after auth-user-pass parameter and save.
Hope it helps :)