Error while installing packages PDF,Web

Help
1

I am getting error related to .Net Standard Library while trying to install PDF package
I am using windows 10 OS and .Net framework is installed by default.

Please help solving the issue.
Error_PDFpackage|690x384

2

Buddy this would help you resolve this buddy @Res

Kindly try and let know whether this works or not
Cheers

3

Unfortunately it did not solve the issue.