Step 1
Download the last stable version here:
https://tunnelblick.net/downloads.html
Step 2
Open downloaded file and double click on TunnelBlick icon
Step 3
Confirm the next dialog
Step 4
Enter your SYSTEM (MacOS) password
Step 5
Click the button "I have configuration files"
Step 6
Click "ОК"
Step 7
Download all profiles from this page:
Step 8
The icon of the installed application should be appeared in the upper system menu. Click it and "VPN Details" after
Step 9
Drag one by one (to the left part) of the required configuration preloaded files in step 7
Step 10
Choose All Users or Only Me as you wish
Step 11
Confirm this action with your system (macOS) password
Step 12
Now you should have such window. Click on "Connect"
Step 13
Enter your VPN99 login and password. Click on "Save in Keychain" to save your account.