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Get old programs running under Windows 11?


Under certain circumstances, very old programs can also run under Windows 11 if there are start problems!



1.) ... run the program as administrator under Windows 11!
2.) ... adjust compatibility settings!
3.) ... Use virtual machines for older software!
4.) ... Why run as administrator, what should you watch out for?



1.) Run the program as administrator under Windows 11!

If an older application, program, ... does not work properly, right-click on its shortcut or .exe file and then select "Run as administrator" to start it with administrator rights.

(... see Image-1 Point 1  to 5)

See also:
►► Run a program as administrator as a standard user without a password!
►► Difference between administrator and system administrator under Windows?


(Image-1) Run old programs under Windows 11 in Admin Mode!
Run old programs under Windows 11 in Admin Mode!

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2.) Adjust compatibility settings!

Sometimes programs have to be started in compatibility mode in order to run them correctly. Most of the time, these programs crash immediately upon start-up and cannot be started! 

(... see Image-2 Point 1 to 5)

Well described here: ►  XP compatibility mode SP1, SP2, SP3 under Windows 10 and 11?

Understanding compatibility mode: ► What is Windows compatibility mode?

(Image-2) Example of Windows compatibility mode under Windows 11!
Example of Windows compatibility mode under Windows 11!

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3.) Use virtual machines for older software!

You can use the portable version of the VirtualBox for this. Download here:  ... portable version on vbox.me  or download directly from Oracle  ... VM VirtualBox

Of course, you also need Windows 10, 8.1, 7, XP itself:  ... Download Windows 10 and 8.1

After installation from the VirtualBox you can start it immediately and click on the button. "New" to  create a virtual environment for Windows 10, 8.1, ... In the first dialog just click on  "Next" 

For Windows 11, please use an HD with 64GB!


(Image-3) Get old programs running under Windows 11 in the VirtualPC!
Get old programs running under Windows 11 in the VirtualPC!

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4.) Why run as administrator, what should you watch out for?



Why as an administrator?
 
Many applications have been developed for Windows XP, these work with modern Windows 11, 10, in most cases. However, during the Windows XP era, almost every Windows PC was run with an administrator account at all times.

Many programs have also been developed in such a way that you need and have to have administrator access, mostly no registry entries can be made, which leads to problems, such as system-specific access!

What is to be considered?



If you have 16-bit programs, they will no longer work under Windows 11 because Windows 11 is only available as 64-bit versions. The 64-bit version of Windows just doesn't include the WOW16 mode that allows 16-bit to run.

Only the error message appears: "This application cannot be executed on your PC"

PS: In time you should look for alternative solutions / programs!

See also: 
►► What does WOW64 mean in the Windows 11, 10, 8.1, ... operating system?
►► Run a program as an administrator as a standard user without a password
►► Can I restore the administrator on Windows 11, 10, ...?
►► What is an admin mode?











FAQ 129: Updated on: 21 September 2022 05:30 Windows
Windows-11

How do I uninstall and install Cortana on Windows 11?


You can easily uninstall Cortana and reinstall it to fix any problems with Cortana under Windows 11 or Windows 10   Content: 1. Uninstalling Cortana
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Windows 11 sometimes appears in mixed languages, why?


If you have installed different languages ​​under Windows 11, it can happen that both appear mixed in the Windows settings   If Windows 11 is partly in
Windows-11

Can I restore the administrator on Windows 11, 10, ...?


If you no longer have an admin account, you can restore the administrator under Windows 11, 10, and MS Server 2022, 2019 or become an admin 1.
Windows-11

Why does the YES button not appear in "Start administrative mode"?


If the "YES" button is not displayed when trying to start in administrative mode, it is a classic administrator account deficiency 1. The problem with
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What is the frame rate of my Windows 11, 10, ... monitor?


Especially with gamers, the screen frequency under Windows 11, 10, is an important question and whether the monitor was recognized correctly If the
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Windows 11 automatically troubleshoot computer problems, How to?


Yes, with the automatic troubleshooter, it is easy to automatically troubleshoot Windows 11 computer problems 1. Find the troubleshooting under Windows
Windows-11

Back to Windows 10 from Windows 11?


If you want to switch to Windows 10 from Windows 11, an upgrade / downgrade under Windows 11 to 10 is not possible after the 10 day period has expired  

»»

  My question is not there in the FAQ
Asked questions on this answer:
  1. If I want to install old software on Windows 11, do I need to install anything special if only 32-bit software is available?
  2. Should I use virtual machines for legacy software on Windows 11, can I use a virtual machine?
  3. Can I run Windows 10 applications on Windows 11?
  4. For example, if an application runs properly on Windows 10, will it work on Windows 11?
  5. Wondering if Windows 11 is backwards compatible with my existing software, or are there exceptions that have issues? I'm an average Windows 11 user, do I need admin access if a legacy application isn't working properly?
  6. Running old program on Windows 11?
  7. Wondering how to get old programs to work on Windows 11, older Windows apps are supposed to only work on Windows 10?
  8. Windows 11 play older software for windows version without limitation?
  9. Since I've been working on Windows 10, will I also have problems with older PC applications on Windows 11, or can I get them to work?
  10. Do I only have to use the 64-bit version of software on Windows 11, or does the 32-bit version work?
  11. How to Make older apps or programs compatible with Windows 11?
Keywords: windows, old, programs, running, under, certain, circumstances, start, problems, program, administrator, Questions, Answers, Software




    

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