While Installing Scrapy library in windows in case if you receive "Command 'cl.exe' failed" error means the system doesn't have Microsoft C Compiler or Environment path not set properly.
To Fix this error try installing Desktop Development with C++ from Visual Studio Installer. After installing it try running this command in windows Command prompt python -m pip install Scrapy
To Fix this error try installing Desktop Development with C++ from Visual Studio Installer. After installing it try running this command in windows Command prompt python -m pip install Scrapy