this link seems to all product of Nirvana Systems OmniTrader & VisualTrader
nirvanasystems.s3.amazonaws.com
as example
http://nirvanasystems.s3.amazonaws.com/Downloads/Installs/OT2024/Setup_OT2024.exe
http://nirvanasystems.s3.amazonaws.com/Downloads/Installs/OT2023/Setup_OT2023.exe
https://nirvanasystems.s3.amazonaws.com/Downloads/Updates/OT2023/Release/1/OmniTraderPackage.exe
http://nirvanasystems.s3.amazonaws.com/Downloads/Updates/OT2021/PreRelease/2A/OmniTraderPackage.exe
you can change to any verge as you like by change the year as example concern update
https://nirvanasystems.s3.amazonaws.com/Downloads/Updates/OT2021/PreRelease/2C/OmniTraderPackage.exe
you can change letter C to Release after as D or E ... etc.
THIS IS VERY IMPORTANT KEY TESTED IN OT2011 RT UNTIL NOW (2024)
EW4Z-5K6-NQX
Installation Instructions:
1. Patch your host file which located here: C:\Windows\System32\drivers\etc\host
add two lines in notepad
127.0.0.1 www.omnitrader.com
127.0.0.1 www.nirvanasystems.com
2. Run the installation file to begin installation.
3. On first start up it will ask for a Nirvana User ID / Pass
4. Click Cancel button from that menu to bypass the Server Check.
5. Enter the details manually for Nirvana ID & Pass (can be any thing you choose)
6. Customer Number can be from 10000 to 300000
7. Use the following keys below to register it
OT20XX RT: EW4Z-5K6-NQX