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I was curious, was is the oldest computer and Windows Operating system a compiled PB program will run on?

Windows 2000.
On Win9x this will not work as they do not support unicode.
Previously (up to version 5.40) worked great in Win95 OSR2.

The current Version only supports Windows XP!
PB uses APIs introduced in Windows XP and Windows Server 2003.

Edit:
This does not necessarily mean that code wont run on older OSes - it just may not work right out of the box.

i have 2 old Win98 all hooked up ready to go , with PureBasic 5.31 version ( i think ? not 100% sure its v5.31 is highest version can be used ? )
been too long since i turned on those 2 old computers

i have a Win95 computer in a box , never tried to install PureBasic on it though.

That's really neat! I don't have much practical use for running my projects in Win98 or below but the novelty of it excites me.

This looks like it could help regarding Win98 support if I didn't want to use a older version of PB:
https://www.microsoft.com/en-us/downloa ... px?id=4237

I don't have any machine running Win95 but I will test this out soon as I can.

Vernostonos wrote:That's really neat! I don't have much practical use for running my projects in Win98 or below but the novelty of it excites me.

This looks like it could help regarding Win98 support if I didn't want to use a older version of PB:
https://www.microsoft.com/en-us/downloa ... px?id=4237

I don't have any machine running Win95 but I will test this out soon as I can.

Sorry my mistake , its PureBasic 5.24 LTS highest version you can install on WIN98

my Win98's are both WIN98 Plus 2nd Edition

you can get PB 5.24 LTS in PureBasic's Museum downloads

When targeting Windows 2000 with the current version of PB, bare in mind that Purebasic includes gdiplus.lib into the exe (with OpenWindow) and depends on gdiplus.dll being on your system. You can either update your OS with that dll or remove the dependency from your exe with e.g. CFF Explorer (Import Directory / RMB gdiplus.dll / Delete Import Descriptor) if you don't use any VectorDrawing functions.

You can download any PB version via your Account from the PB Museum. It doesn't go as far back as the Flintstones, but not far off.

Vernostonos wrote:I was curious, was is the oldest computer and Windows Operating system a compiled PB program will run on?

My main compiled app runs on XP with no problem. I only compile as 32-bit, though, as I don't need higher for any reason. Having said that, my website says the app requires Windows 7 or higher.

Soon as I have the time and space to setup my old computers, I will try out PB on my Pent2!