Create setup directory

setup/Debian_and_Ubuntu_setup.txt

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+Instructions to setup your virtual environment using pyenv on Debian/Ubuntu:
+
+1. Install the necessary changes with this command:
+    sudo apt install -y make build-essential libssl-dev zlib1g-dev \
+    libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev \
+    libncursesw5-dev xz-utils tk-dev libffi-dev liblzma-dev python-openssl \
+    git
+
+2. Install pyenv:
+    git clone https://github.com/pyenv/pyenv.git ~/.pyenv
+
+3. Add the pyenv to your $PATH (if you use a different shell than bash you have to change ~/.bashrc accordingly):
+    echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
+    echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
+    echo 'eval "$(pyenv init --path)"' >> ~/.bashrc
+
+4. Install Python Version 3.10.9:
+    pyenv install 3.10.9
+
+5. Clone this repository:
+    git clone https://github.com/GeorgiosIoannouCoder/realesrgan.git
+
+6. Navigate to the cloned repository folder:
+    cd realesrgan
+
+7. Use the installed Python version in the cloned repository folder:
+    pyenv local 3.10.9
+
+8. Create virtual environment in the cloned repository folder:
+    python -m venv .realesrgan-venv
+
+9. Activate the virtual environment:
+    source .realesrgan-venv/bin/activate
+
+10. Install the dependencies listed in the requirements.txt file:
+    pip install -r requirements.txt
+
+11. Run streamlit:
+    streamlit run app.py

setup/Windows_setup.txt

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+Instructions to setup your virtual environment using pyenv on Microsoft Windows:
+
+1. Install pyenv:
+    1.1 Download the zip file of the following GitHub repository:
+          https://github.com/pyenv-win/pyenv-win
+    1.2 Create a new folder .pyenv in your user folder with the name .pyenv by typing the following command in the Windows PowerShell:
+           mkdir $HOME/.pyenv
+    1.3 Extract the ZIP-archive in your downloads folder and copy the pyenv-win folder and the .version file from the pyenv-win-master folder into the newly created .pyenv folder in your user folder.
+    1.4 Set the environment variables PYENV and PYENV_HOME that point to the installation folder:
+          [System.Environment]::SetEnvironmentVariable('PYENV',$env:USERPROFILE + "\.pyenv\pyenv-win\","User")
+          [System.Environment]::SetEnvironmentVariable('PYENV_HOME',$env:USERPROFILE + "\.pyenv\pyenv-win\","User")
+    1.5 Add the bin folder to the PATH variable such that pyenv can be found when using the command line:
+          [System.Environment]::SetEnvironmentVariable('path', $env:USERPROFILE + "\.pyenv\pyenv-win\bin;" + $env:USERPROFILE + "\.pyenv\pyenv-win\shims;" + [System.Environment]::GetEnvironmentVariable('path', "User"),"User")
+    1.6 Close the current Windows PowerShell.
+    1.7 Start a new Windows PowerShell with admin privileges by right-clicking on the Windows PowerShell icon in the start menu and choose Run as administrator.
+    1.8 Enter the following command into the PowerShell to enable the execution of scripts (press A to choose Yes to ALL):
+           Set-ExecutionPolicy unrestricted
+    1.9 Close the current Windows PowerShell.
+    1.10 Start a new Windows PowerShell.
+    1.11 Type the following command to make sure that pyenv has been installed successfully:
+           pyenv
+    1.12 If you encounter a security warning from where you have to choose if you want to run pyenv you can disable this warning by “unblocking” the pyenv script with the following command:
+           Unblock-File $HOME/.pyenv/pyenv-win/bin/pyenv.ps1
+
+2. Open a new command line/terminal.
+
+3. Install Python Version 3.10.9:
+    pyenv install 3.10.9
+
+4. Clone this repository:
+    git clone https://github.com/GeorgiosIoannouCoder/realesrgan.git
+
+5. Navigate to the cloned repository folder:
+    cd realesrgan
+
+6. Use the installed Python version in the cloned repository folder:
+    pyenv local 3.10.9
+
+7. Create virtual environment in the cloned repository folder:
+    python -m venv .realesrgan-venv
+
+8. Activate the virtual environment:
+    .\.realesrgan-venv\Scripts\activate
+
+9. Install the dependencies listed in the requirements.txt file:
+    pip install -r requirements.txt
+
+10. Run streamlit:
+    streamlit run app.py

setup/macOS_setup.txt

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+Instructions to setup your virtual environment using pyenv on macOS:
+
+1. Install Homebrew:
+    Documentation found at: https://brew.sh/
+
+2. Install pyenv:
+    xcode-select --install
+    brew install openssl readline sqlite3 xz zlib
+    brew update
+    brew install pyenv
+
+3. Add the pyenv to your $PATH (if you are not using zsh as a shell, you have to change ~/.zshrc accordingly):
+    echo 'eval "$(pyenv init --path)"' >> ~/.zshrc
+
+4. Install Python Version 3.10.9:
+    pyenv install 3.10.9
+
+5. Clone this repository:
+    git clone https://github.com/GeorgiosIoannouCoder/realesrgan.git
+
+6. Navigate to the cloned repository folder:
+    cd realesrgan
+
+7. Use the installed Python version in the cloned repository folder:
+    pyenv local 3.10.9
+
+8. Create virtual environment in the cloned repository folder:
+    python -m venv .realesrgan-venv
+
+9. Activate the virtual environment:
+    source .realesrgan-venv/bin/activate
+
+10. Install the dependencies listed in the requirements.txt file:
+    pip install -r requirements.txt
+
+11. Run streamlit:
+    streamlit run app.py