I don't have too great a desktop (i5 from more than 4 years ago (launch date was apparently 2011) and 16 gigs with more than half already used, no graphics card

I don't have too great a desktop (i5 from more than 4 years ago (launch date was apparently 2011) and 16 gigs with more than half already used, no graphics card) and I could open the 291M file just fine in viewnior.