Environment Variable is too large on Windows 10

Question

I know this is strange and I have spent almost 3 days searching for the solution online without getting a useful one. So I have decided to come here.

I have recentl

Answer 1

I found you can do via PowerShell.

[System.Environment]::SetEnvironmentVariable("PATH", "C:\Program Files (x86......etc.....", "Machine")

So I grabbed existing system PATH, pasted into notepad, added my new thing, then pasted into the "C:\Program Files" bit of the above. Path updated. Done.