Visual Basic Tutorial for Beginners: Learn VB6 Step by Step

By Softlookup Editorial Team · Updated April 25, 2026 · 20 min read · Free 24-chapter course

What Is Visual Basic?

Visual Basic is a programming language and development environment from Microsoft, first released in 1991. Its design goal was simple: let people who weren't professional programmers build real Windows applications. Drag a button onto a form, double-click it, write a few lines of code, run it.

That accessibility made VB the most popular Windows development tool of the 1990s. Versions 1 through 6 (1991–1998) defined what "Visual Basic" means to most people. Visual Basic 6 — the version this tutorial covers — became the most widely deployed development tool of its era and is still running mission-critical software today.

The Visual Basic Family Tree

"Visual Basic" actually refers to several related but distinct things. Knowing which one you're dealing with matters:

This tutorial focuses on Visual Basic 6 (VB6) — the syntax and concepts cover ~95% of what you need to know for VB6, VBA, and to a large extent VB.NET. Skills transfer naturally between them.

Why VB6 Skills Still Matter

Three honest reasons to learn VB in 2026:

1. Massive legacy installed base. Estimates suggest hundreds of millions of lines of VB6 code still run in production worldwide. Major banks, insurance companies, factories, and government agencies have core systems written in VB6. Replacing them is expensive, so they hire developers to maintain them — at premium rates.
2. VBA is everywhere. Every Microsoft Office installation includes VBA. Excel macros, Access database forms, Word document automation, Outlook scripts — these are still core tools in finance, accounting, operations, and analytics roles. The syntax is essentially VB6.
3. Programming fundamentals. VB's visual IDE, gentle syntax, and immediate feedback make it the easiest way to learn programming concepts. Variables, loops, conditionals, events, classes — once you understand them in VB, picking up Python or C# is easy.

Visual Basic vs. Modern Languages

Honest comparison if you're deciding what to learn:

Prerequisites

None. Visual Basic was specifically designed for beginners. You need:

• A Windows computer (Visual Basic is Windows-only)
• Optionally, the Visual Basic 6 IDE if you have access to it, or Visual Studio Community (free) for VB.NET
• For VBA practice: any version of Microsoft Excel — press Alt+F11 to open the VBA editor

Your First Visual Basic Program

The simplest possible VB program. In a Form's code window:

Private Sub Form_Load()
    MsgBox "Hello, Visual Basic!"
End Sub

Run the form. A message box pops up. That's a complete program.

Variables and Data Types

Unlike VBScript (everything is a Variant), Visual Basic uses explicit data types:

Dim name As String
Dim age As Integer
Dim salary As Double
Dim isActive As Boolean

name = "Alice"
age = 30
salary = 55000.50
isActive = True

MsgBox name & " is " & age

Common types you'll use constantly:

Control Flow: If, Select, Loops

If statements

Dim hour As Integer
hour = Hour(Now)

If hour < 12 Then
    MsgBox "Good morning"
ElseIf hour < 18 Then
    MsgBox "Good afternoon"
Else
    MsgBox "Good evening"
End If

Select Case

Dim grade As Integer
grade = 85

Select Case grade
    Case 90 To 100: MsgBox "A"
    Case 80 To 89: MsgBox "B"
    Case 70 To 79: MsgBox "C"
    Case Else: MsgBox "Below C"
End Select

For loops

Dim i As Integer
For i = 1 To 10
    Debug.Print "Counter: " & i
Next i

' For Each loops over collections
Dim ctrl As Control
For Each ctrl In Me.Controls
    Debug.Print ctrl.Name
Next ctrl

Do loops

Dim count As Integer
count = 0

Do While count < 5
    Debug.Print count
    count = count + 1
Loop

Subs and Functions

Two ways to organize code:

' Sub: does something, returns nothing
Public Sub Greet(person As String)
    MsgBox "Hello, " & person
End Sub

Call Greet("Alice")

' Function: returns a value
Public Function Multiply(a As Double, b As Double) As Double
    Multiply = a * b
End Function

Dim result As Double
result = Multiply(6.5, 4)

Working with Forms and Controls

Visual Basic's killer feature is its drag-and-drop form designer. You drag controls (buttons, text boxes, labels) onto a form, set their properties, and write code that runs when events happen.

' This runs when a button named cmdSubmit is clicked
Private Sub cmdSubmit_Click()
    Dim userName As String
    userName = txtName.Text

    If userName = "" Then
        MsgBox "Please enter your name", vbExclamation
        txtName.SetFocus
        Exit Sub
    End If

    lblGreeting.Caption = "Hello, " & userName
End Sub

' This runs when the form first loads
Private Sub Form_Load()
    Me.Caption = "My First VB App"
    txtName.Text = ""
    txtName.SetFocus
End Sub

Common VB Controls You'll Use

Working with Files

Classic VB file I/O uses the Open statement:

' Read a text file line by line
Dim fileNum As Integer
Dim line As String

fileNum = FreeFile
Open "C:\data\input.txt" For Input As #fileNum

Do Until EOF(fileNum)
    Line Input #fileNum, line
    Debug.Print line
Loop

Close #fileNum

' Write to a file
fileNum = FreeFile
Open "C:\output\result.txt" For Output As #fileNum
Print #fileNum, "First line"
Print #fileNum, "Second line"
Close #fileNum

Database Access (ADO)

Visual Basic's most common real-world use: building forms over a database. The classic approach uses ADO (ActiveX Data Objects):

Dim conn As New ADODB.Connection
Dim rs As New ADODB.Recordset

conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\data\app.mdb"
rs.Open "SELECT * FROM Customers WHERE Country = 'France'", conn

Do Until rs.EOF
    Debug.Print rs.Fields("CustomerName").Value
    rs.MoveNext
Loop

rs.Close
conn.Close

Common Beginner Mistakes

1. Forgetting Option Explicit

Without it, VB silently creates a new variable when you typo. Set it once in Tools → Options → "Require Variable Declaration" so every new module has it automatically.

2. Confusing = and Set

Regular variables use =. Object variables need Set:

' Wrong:
form2 = New Form2

' Right:
Set form2 = New Form2

3. Not handling Nothing/Null

Database fields can be Null. Trying to assign Null to a non-Variant variable crashes. Use Nz() in Access or IsNull():

If Not IsNull(rs.Fields("Email").Value) Then
    email = rs.Fields("Email").Value
End If

4. Memory leaks from not releasing objects

Always release object variables when done:

Set rs = Nothing
Set conn = Nothing

5. Hard-coding paths

Don't write "C:\Users\Alice\..." in your code. Use App.Path for the application's own folder, or environment variables.

Complete Learning Path

The 24 chapters are organized into 6 logical parts. Work through them in order if you're new — you can jump if you have specific gaps.

Visual Basic Cheat Sheet

Frequently Asked Questions

Is Visual Basic still used in 2026?

VB6 is no longer supported by Microsoft, but a huge installed base still runs in production — banks, insurance companies, manufacturing plants, and government systems. VB.NET (the modern successor) is fully supported in Visual Studio. VBA is still actively used in every Microsoft Office application.

Should I learn VB6, VB.NET, or VBA?

VBA if you automate Office (Excel, Access). VB.NET for new Windows desktop apps. VB6 only if you maintain legacy applications. The syntax is similar enough that learning one teaches you most of the others.

Where can I download Visual Basic 6?

Microsoft no longer sells VB6. Existing license holders can use it, and it does install on Windows 11 with some compatibility tweaks. For learning Visual Basic syntax, modern Visual Studio Community edition (free) supports VB.NET which uses similar syntax.

Is Visual Basic hard to learn?

Visual Basic was specifically designed to be easy. Syntax reads like English, the IDE has drag-and-drop form design, and you see your application running in seconds. It's one of the most beginner-friendly languages ever created.

What's the difference between VB6 and VB.NET?

VB6 (1998) is a self-contained legacy language for Windows desktop apps. VB.NET (2002) runs on the .NET Framework, has full object orientation, and uses modern programming patterns. Code from VB6 doesn't run directly in VB.NET — Microsoft provides upgrade tools but they require manual review.

Can I get a job with just Visual Basic skills?

Yes, in specific niches. VB6 maintenance jobs exist at large enterprises with legacy systems. VBA developers are in demand for Excel/Access automation in finance, accounting, and operations roles. VB.NET jobs are less common than C# but still exist.

Is VBA the same as Visual Basic?

VBA (Visual Basic for Applications) is a subset of Visual Basic that runs inside Microsoft Office and other host applications. The syntax is nearly identical to VB6. Skills transfer directly — if you know one, you can read and modify the other immediately.

How long does it take to learn Visual Basic?

Basic VB syntax: a few days. Building a complete Windows form application: 2–4 weeks. Confident with database access, advanced controls, and code organization: 2–3 months.

Last updated: April 25, 2026.