1. Open the python official website: https://www.python.org/
2. Download
Move the mouse to Downloads and click Windows
Then scroll down to find the version you want to download. It is best not to download the latest version. For example, if I download version 3.9, it depends on the number of bits of my computer. Mine is 64-bit, so download the 64-bit version. Most of them are 64-bit. Computer, it's best to take a look.
3. Installation
Double-click to install
Select the installation path. If you want the default, click the first one. If you want to customize it, click the second one. Remember to check the environment variable.
4. Test
Open cmd test, press win+r key, enter cmd, click OK to open
Enter python -V and press Enter. The python version is displayed, even if the installation is complete.
