The wget::wget_set() function will change the default behavior of 'download.file'. The download method will be changed to using "wget -c" so that continued downloading will be supported. User can run wget::wget_unset() to restore previous setting.
All platforms including Linux, MacOS and Windows are supported.
What you need is to run the wget::wget_set() function. Then download.file(), install.packages() and BiocManager::install() will all support continue retrival.