Exception: Unable to determine JDK_HOME, I have downloaded JDK kit, what's wrong?

Question

Java

I want to download the pip install jnius library but it gives

ERROR: Command errored out with exit status 1:
command: 'c:\users\marme\appdata\local\programs\python\python39\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\marme\\AppData\\Local\\Temp\\pip-install-6n77kg92\\jnius\\setup.py'"'"'; __file__='"'"'C:\\Users\\marme\\AppData\\Local\\Temp\\pip-install-6n77kg92\\jnius\\setup.py'"'"';f=getattr(tokenize , '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\ n'"'"');f.close();exec(compile(code, __file__, '"'"
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\marme\AppData\Local\Temp\pip-install-6n77kg92\jnius\setup.py", line 111, in
raise Exception ('Unable to determine JDK_HOME')
Exception: Unable to determine JDK_HOME

but I downloaded the JDK kit isn't that the same thing

Answer 1

JDK_HOME is an environment variable that points to the folder where the JDK is located.
If you don't have it, then you need to install it yourself.