i did this exact thing and it told me at the end after i did java -jar (forge) that it couldn't open the file. i dont know why it did this. i have java on my computer and i made sure it opens with java. please help. C:\Users\me\Downloads>java -jar forge-1.15.2-31.2.21-installer.jar
Error: could not open `C:\Users\me\OneDrive\Desktop\my stuff\New folder\lib\i386\jvm.cfg'
this is the error message i got