Go to texworks

File>Edit>Preferences>Editor>Spell-check language.

Download and install spellcheck dictionary

WEB URL

Download Link

Extract english .dic and .aff file from the download.

Help>Settings and Resources

go to C:\Users\PRATEEK\.texlive2019\texmf-config\texworks and

create dictionaries folder and move the .dic and .aff files

select spell check as