Step 1: Download otvdm

-Go to GitHub and search for otvdm (developed by otya128).

-Download the latest stable release zip file (usually named otvdm-master-xxxx.zip).

-Extract the contents of the zip file into a permanent folder on your PC (for example, C:\otvdm).

Step 2: Run the Installer through otvdm.exe

-Extract the game .iso “Setup” using WinRAR

-Open the folder where you extracted otvdm and run “otvdm.exe”

-locate where did you Extract the setup folder and select “CDSETUP.EXE”

-you can now install the game with no issues

This forces the 16-bit installer to run inside a lightweight compatibility layer. The setup wizard should open immediately, allowing you to install the game normally.

Step 3:compatibility troubleshoot

-locate where you installed your game right click on the “3D Frog Frenzy.exe” and select “Properties”

-For Compatibility mode: Check “Run this program in compatibility mode for:” and Select “Windows 98 / Windows Me”

-Check “Run in 640 x 480 screen resolution”

Did you figure it out?

Steps for Windows 11:
– Run the 16-bit installer with otvdm
– Set “Run in 640 x 480” in compatibility
– Run the game
– If the screen is small, press 2 and 4 repeatedly until it fills up

you need to download virtual machine, I guess