RUN TIME DLL error is what

Please help after downloading the error api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer. Try reinstalling the program to fix this problem.
any solution ?

This is not an Audacity problem. It is a problem with your Windows installation, see here:

How to fix this error
The missing dll api-ms-win-crt-runtime-l1-1-0.dll is installed with a Windows update. To resolve this issue, download and install the Update for Universal C Runtime in Windows from Microsoft.

It’s SOMETHING related to Windows.

What version of Windows are you running, and what version of Audacity?

I found this.

https://forum.audacityteam.org/search?q=api-ms-win-crt-runtime-l1-1-0.dll

windows 8 does this help. Shall I upgrade to 10 will that help me ? Or it’s a old laptop so will never download ? Pls reply ?

You might need to run an older version of Audacity

older version of Audacity.