How to Install an Older Version Of PyTorch?

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To install an older version of PyTorch, you can follow these steps:

  1. Identify the specific version of PyTorch you want to install. You can find a list of available versions on the official PyTorch website or GitHub repository.
  2. Check if you have a compatible version of Python installed on your system. PyTorch requires Python 3.6 or later. If you don't have the required Python version, you will need to install it first.
  3. Open a terminal or command prompt on your system.
  4. Create a virtual environment (optional but recommended) to keep the older version of PyTorch isolated from your other Python installations. You can use tools like virtualenv or conda to create a virtual environment.
  5. Activate the virtual environment if you created one. This step is not necessary if you chose not to create a virtual environment and want to install PyTorch globally.
  6. Run the appropriate installation command based on your operating system and CUDA version (if applicable). The installation command might look like this for Linux with CUDA 10.2: pip install torch==+cu102 torchvision==+cu102 torchaudio== -f https://download.pytorch.org/whl/torch_stable.html Make sure to replace with the specific version you want to install.
  7. Wait for the installation to complete. It may take a few minutes depending on your internet speed.
  8. After installation, you can verify if the older version of PyTorch is installed correctly by importing it in a Python script or running a PyTorch-based application.


Remember to check the PyTorch documentation for any additional requirements or changes specific to the older version you are installing.

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How to install PyTorch 1.3.1?

To install PyTorch 1.3.1, follow these steps:

  1. Check if you have Python installed by opening a command prompt or terminal window and typing python --version. If you don't have Python installed, download and install the latest version from the official Python website.
  2. Open a command prompt or terminal window and type the following command to install PyTorch: pip install torch==1.3.1 torchvision==0.4.2 This command will install PyTorch 1.3.1 and torchvision 0.4.2, which is the corresponding version of the torchvision package for PyTorch 1.3.1.
  3. Wait for the installation to complete. It may take a few minutes depending on your internet connection.
  4. Once the installation is finished, you can verify that PyTorch is installed by opening a Python interpreter and typing the following commands: import torch print(torch.__version__) If PyTorch is installed correctly, it will print the version number "1.3.1".


That's it! You have successfully installed PyTorch 1.3.1 on your system.


What is the size of the PyTorch package for version 1.3.0?

The size of the PyTorch package for version 1.3.0 may vary depending on the platform and the specific installation method used. On average, the size of the PyTorch package for this version is around 500 MB.


How to uninstall an older version of PyTorch?

To uninstall an older version of PyTorch, you can follow these steps:

  1. Open the command prompt or terminal.
  2. Check the version of PyTorch installed by running the following command: pip show torch This will display the version information.
  3. Uninstall PyTorch by running the following command: pip uninstall torch This will remove the currently installed version of PyTorch.
  4. You can also uninstall any related packages by repeating the above step, replacing torch in the command with the package name.


Note: If you installed PyTorch using conda instead of pip, you can use conda uninstall torch to remove it.


How to install an older version of PyTorch on Linux?

To install an older version of PyTorch on Linux, you can follow these steps:

  1. Determine the appropriate version that you want to install. You can check the available versions and their corresponding installation commands on the PyTorch website (https://pytorch.org/).
  2. Open a terminal and create a new virtual environment (optional but recommended) by running the following command: python3 -m venv
  3. Activate the virtual environment using the command: source /bin/activate
  4. Install the older version of PyTorch using pip by running one of the following commands, depending on the specific version you want to install: For CPU-only version: pip install torch==For GPU version (with CUDA support): pip install torch==+cu -f https://download.pytorch.org/whl/torch_stable.html Replace with the desired PyTorch version number, and with the specific version number of CUDA installed on your system (e.g., 10.2, 11.0, etc.).
  5. Verify the installation by importing the PyTorch library in a Python script or the Python interpreter. import torch print(torch.__version__) This should display the version number you installed.


Note: Installing older versions of PyTorch might not be recommended, as newer versions often contain important bug fixes and performance improvements. It is generally recommended to use the latest stable version, unless there are specific compatibility reasons for installing an older version.

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