MeowArch is based on Python, so, to install Python, follow instructions from install.txt file
I think, you downloaded MeowArch to use it, right? To use Archiver, open MeowArch folder and double - click .py file. Open it with Python 3.9
If you did all right, you will see something like
<--------- this
Here you need interface with buttons.
Now press what you need, archive or unarchive. Under this text you see two buttons, press one
1. Press Archive file
Press open
No problems, press Yes here and go to step 2
It is .meowarch file.
*If you rename it to file.zip, you can open it. But tsssss, don't say anyone!*
Useful, when someone don't use MeowArch, but your e-mail don't want to send .zip or .rar archives, because of sequrity
Press Unarchive file
And files from archive will be there!