At least 2.5 GB of free space on the system drive (usually C:) to accommodate temporary installation files.
： 访问微软的下载页面，下载 “Microsoft Root Certificate Authority 2011” 证书文件。 download free net framework 46 2 offline installer windows 7
Wait a few moments for the wizard to extract the necessary setup files. At least 2
If you encounter issues during setup, use these proven troubleshooting strategies: use these proven troubleshooting strategies: