[Tex/LaTex] The required file tex/latex/standalone/standalone.cls is missing after installing MikTex 2.9?

installingmiktexupdating

After installing the MikTex 2.9, Run the code in WinEdt, it always gives warning that The required file tex/latex/standalone/standalone.cls is missing, can someone help me how to fix the problem?

Best Answer

You can active 'Install Packages on the fly' option in MikTeX Settings or use MikTeX Package Manager to download packages.