Here's a step-by-step guide for a beginner guitar course:

Week 1-2: Introduction and Basics

Introduction to the Guitar:

Learn the parts of the guitar (body, neck, frets, strings).
Understand how to hold the guitar properly.
Tuning:

Learn how to tune the guitar using a tuner or tuning app.
Basic Chords:

Start with easy open chords like E minor, C major, G major, D major, and A minor.
Practice transitioning between these chords smoothly.
Strumming Patterns:

Practice basic strumming patterns with downstrokes and upstrokes.
Apply strumming to the chords you've learned.

Week 3-4: Playing Your First Song
Simple Song:

Learn a simple song that uses the chords you've practiced.
Focus on playing along with the rhythm of the song.
Reading Basic Tabs:

Understand how to read guitar tablature for simple melodies.

Week 5-6: Fingerpicking and More Chords
Fingerpicking:

Introduce basic fingerpicking patterns.
Apply fingerpicking to chords and simple melodies.
Additional Chords:

Learn more open chords (e.g., E major, A major, D minor).
Practice chord transitions and strumming patterns with new chords.

Week 7-8: Basic Music Theory
Notes and Scales:

Understand the names of the notes on the guitar fretboard.
Learn a simple scale (e.g., the minor pentatonic scale).
Rhythm Basics:

Explore basic rhythmic notation.
Practice counting beats and playing simple rhythms.

Week 9-10: Barre Chords and Playing Along
Barre Chords:

Introduce barre chords and practice fretting with your index finger.
Learn common barre chord shapes (e.g., F major, B minor).
Playing Along with Music:

Play along with backing tracks or your favorite songs.
Focus on keeping in time and applying what you've learned.

Week 11-12: Review and Next Steps
Review and Refine:

Review the chords, strumming patterns, and techniques learned so far.
Identify areas that need improvement and focus on refining them.
Explore Genres:

Experiment with different music genres to find what interests you.
Learn a simple song from a genre you enjoy.

Set Goals:

Set short-term and long-term goals for your guitar playing.
Consider seeking feedback from a teacher or more experienced player.
Remember to practice consistently, even if it's for a short duration each day. Patience is key, and progress may come gradually. Additionally, consider taking lessons from a qualified guitar teacher to receive personalized guidance and feedback.