To install Python 3 on Windows 10, you can follow the given steps:
Download the latest Python version from python.org.
Run the executable file.
Now, click Install now, make sure to include PIP and IDLE and check "Add Python to PATH".
You will be asked if you want to Disable path length limit. This will allow python to bypass the 260-character MAX_PATH limit.
This will install Python on your computer.