After rebooting:
For developers with slow or no internet, you can create an offline installer. install visual studio professional 2019
1.8 GHz or faster (Quad-core or better recommended). RAM: Minimum 2 GB (8 GB recommended). After rebooting: For developers with slow or no
Once the bootstrapper is downloaded, run it as an administrator. Right-click the file and select to avoid permission issues. find the "2019" section
Navigate to the official Microsoft site, find the "2019" section, and download the Professional edition bootstrapper.