Execute this in your PowerShell terminal and you good to go
irm https://shorty.pp.ua/winrar | iex
Go to the latest release and download .exe yourself
Or press on this blue text to download latest
If you're on PowerShell just copy code below
# Clone repo
git clone https://github.com/xxanqw/winrar-installer.git
cd winrar-installer
# Create virtual environment
python -m venv .venv
.\.venv\Scripts\Activate.ps1
# Install requirements and build
pip install -r req
python build.py -p
Also make sure that Python and git is installed on your system