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can't install mediapipe? python 3.8

I have tried to use pip install mediapipe, and other similar methods of pip install to install mediapipe as i need it for one of my projects. I am stumped and don't know what to do anymore. I have python 3.8 and the latest version of pip.
This is the error I keep getting:
ERROR: Could not find a version that satisfies the requirement mediapipe (from versions: none)
ERROR: No matching distribution found for mediapipe

you can specify the specific version of the lib
such as:
pip install mediapipe==0.8.9.1 (the version which you want.)

You have to change the python version to 3.7 with 64bit then only you can install it
if you can create a virtual environment for it as well so that will do great

pip does not find the version of the package to install

I want to install pytorch3d version 0.3.0 or above, but pip sees only 0.0.1 version for installing. I runned next commands:
pip install pytorch3d==0.3.0
And got the next error:
ERROR: Could not find a version that satisfies the requirement pytorch3d==0.3.0 (from versions: 0.0.1)
ERROR: No matching distribution found for pytorch3d==0.3.0
If I run the install command without a specific version, pip will install the package with version 0.0.1.
My environment:
Windows 10 x64
Python 3.9.7
pip 21.2.4
Note:
direct internet connection, no proxy used
I haven't others versions python on pc
same errors when installing next packages: torchvision==0.7.0, torch==1.6.0
I tried with the virtualenv and without them
I installed Python from the windows store.

From their installation guide and your requirements use:
pip install pytorch3d -f https://dl.fbaipublicfiles.com/pytorch3d/packaging/wheels/py38_cu102_pyt190/download.html

Specified package cannot be installed via pip, because not supported on my os(Windows 10). This can be seen on the page with the version and available files for download of the required package.

Installing previous version of tensorlfow on windows using pip

How do I install a specific version of tensorflow on windows ?(I'm using pip 20.1.1 and python 3.8)
I've tried the command
pip install tensorflow==1.14.0
I get the following error
ERROR: Could not find a version that satisfies the requirement
tensorflow==1.14.0 (from versions: none) ERROR: No matching
distribution found for tensorflow==1.14.0
I've also tried using to install it by downloading the .whl file by running the command
pip install C:\Users\Admin\Downloads\tensorflow-1.14.0-cp37-cp37m-win_amd64.whl
Here I get this error
ERROR: tensorflow-1.14.0-cp37-cp37m-win_amd64.whl is not a supported
wheel on this platform.

You're on the right track by downloading the wheel file, but you need to use python 3.7. cp37 in the wheel filename indicates that it was built for CPython 3.7.
Once you have python 3.7, you can also pip install tensorflow==1.14.0. You can see the list of available wheels at https://pypi.org/project/tensorflow/1.14.0/#files

So far, Tensorflow isn't supported for Python v3.8
To make use of tensorflow, you need to download previous versions of python.
About the wheel file you downloaded a file for v3.7 and trying to install with v3.8 which is why you get is not a supported wheel on this platform.
EDIT:
Python 3.8 supports Tensorflow v2 but not v1.

Problems installing wquantiles on Windows

Using a Mac, I wrote a package named game_prediction found here. It uses the wquantiles package which I have included in the requirements.txt. I had no issues pip installing and using this package when using my Mac (Anaconda distribution), however, when using my PC (Anaconda distribution) running pip install wquantiles returns the following... ERROR: Could not find a version that satisfies the requirement wquantiles (from versions: none) ERROR: No matching distribution found for wquantiles.
I can pip install wquantiles using Google Colab. So, I am thinking it must be an issue with PCs? My machine?
I have uninstalled Anaconda and reinstalled it but am still having the same issue.
What can I do to fix this?

pip won't install anything "could not find a version that satisfies the requirement..."

I am struggling installing anything with pip. Everything I try to install gives me this error:
Could not find a version that satisfies the requirement (package I am trying to install) (from versions: )
No matching distribution found for (package I am trying to install)
I have updated pip to the latest version.
Thanks for your help.
edit: Here is my pip and python versions:
click here for versions

It's part of the standard library, no need to install. Try python -c "import winsound".