If you're looking to download Microsoft Visual Basic 6.0 (VB6) for free in , there is one major thing to know:
no official version of the full VB6 IDE available for free download
Microsoft Visual Basic 6.0 (VB6) is a legacy development environment released in 1998. There is from Microsoft; it was never a free product and has been out of support since 2008. 1. Official Availability Status
System Requirements
twinBASIC, in particular, offers a free tier and can compile many VB6 projects without modification.