As for the running 64 bit on 32 bit topic, there are two different explanations.
This article dissertated byMiniToolexplains the differences between the two meanings.
And provides several solutions for running 64-bit software on a 32-bit system-powered PC.

Or, just the below error:
ERROR_BAD_EXE_FORMAT 0x800700c1
If so, how did you fix your issue?
Why the Problem Appears?
Can You Install 64 Bit On 32 Bit?
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Can I install 64-bit on 32-bit?
Or, what I am doing is completely impossible?
There are two explanations for this question.

For different explanations, the answer is unlike.
The answer is NO.
If you refer to using 64-bit apps on a 32-bit Windows system, the answer is possible.

Yet, such a situation is rare.
Yet, you might achieve to launch a 64-bit program on a 32-bit system indirectly.
On the contrary, installing and running 32-bit programs on 64-bit either system or computer is widely seen.

How to get 32-bit programs to run on a 64-bit system?
Generally speaking, running 64 bit on 32 bit is possible but with some tweaks and adjustments.
How to Run 64 Bit on 32 Bit OS?
Lets have a brief view of the solutions.
In addition, the first three methods will downgrade the performance (e.g.
speed) of your machine greatly and even cause your rig stuck.
#1 How to Run a 64-Bit Program on 32 Bit Through Virtual Machine?
As described above, you cant directly install a 64-bit program within a 32-bit Windows system.
Then, you could install a 64-bit OS on the virtual machine.
Finally, just install and use the 32-bit program on the 64-bit system installed in the virtual environment.
As a result, you finally make it possible to run 64-bit programs on a 32-bit system computer.
#2 How to Install 64 Bit Apps on 32 Bit by System Dual-Boot?
Then, you might freely install any 64-bit software or games on the newly installed 64-bit Windows.
What does that mean?
You have a computer running a 32-bit system.
you might install a 64-bit system emulator (a kind of software, 32-bit) on your rig.
#4 How to Trigger 64-Bit Program on 32-Bit Based on Remote Server?
An example of this case isMicrosoft Azure.
Except for that, many games also take advantage of remote techniques to enable more players to play.
If so, there are many other ways to handle the program cant run problem.
have a go at find and download its corresponding 32-bit version from its publisher or official website.
Then, implement the 32-bit version on your 32-bit PC without any issue.
you might take a stab at enable itscompatibility modeto fix the issue.
Generally, right-tap on the app and selectProperties.
In the pop-up window, choose theCompatibilitytab.
There, tickRun this program in compatibility mode forand select an operating system.
How to Check Whether your gear Is 64-Bit Compatible or Not?
Just check it out with the following steps.
Further reading:Is My Computer 64 Bit or 32 Bit?