Democrats can get out the popular vote all over hell’s creation— but saddled with the Electoral College as we are, it will be the votes in the dozen perennial “swing states” where the election will be won/lost: Colorado, Florida, Iowa, Michigan, Minnesota, Ohio, Nevada, New Hampshire, North Carolina, Pennsylvania, Virginia, Wisconsin (and possibly Arizona this time).
In particular, the so-called “Rust Belt” (Pennsylvania, Ohio, Michigan, Wisconsin, etc.) has the highest concentration of older white male voters. This is the region where Trump squeaked by in the 2016 election. Winning most of these states is the *only* path to victory, as the remainder of the electoral map is pretty much cast in blue-and-red stone now.
As for Russian interference on behalf of Trump, count on it.
So, yeah, GOTV in massive numbers, ESPECIALLY in the swing states. Otherwise...