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15 days of Power BI - Complete Microsoft Power BI Bootcamp (Udemy.com)

Just 15 days to master Power BI Desktop + Power BI Service (Cloud) + Power BI Mobile in a project-based, practical way.

Created by: Nikolai Schuler

Last updated September 2026

Our take

Based on the ratings of 23,152 students, a sample of their written reviews and the syllabus, as the course stood in September 2026. No course pays to be reviewed.

Nikolai Schuler's course is a Power BI starter laid out as 15 days, one section per day, across 161 lectures and about 16 hours. It begins with the basics, moves through Power Query transformations, visuals and DAX, then goes on to the Power BI Service, scheduling, the data gateway, row-level security, Python, SQL and the M language. It needs a Windows PC, since Power BI Desktop does not run natively on Mac or Linux. More than 126,000 students have enrolled, and the last update was in September 2026.

Reviewers praise the clear, hands-on approach where each lesson builds on the last, and one says they feel much more confident using Power BI afterward. The exercises between lectures get a nod for making ideas stick. The complaints are fairly consistent, though. Some students find the pace fast and want more reasoning behind the filtering and DAX choices. Others say the practice data or Power BI defaults no longer match what they see on screen, and one needed the Q&A to sort it out. One reviewer says the audio is quiet on speakers.

About 93 percent of the 23,000 or so ratings are four or five stars, with 1,320 threes. Fifteen days is a pacing guide, not a promise. Each day runs roughly an hour. Because every lesson leans on the previous one, getting lost early can snowball, as one reviewer warned. The course suits people who want a guided route to a working skill set and are happy to pause and rewatch. Anyone who wants slower theory should look elsewhere.

Best forBeginners on a Windows PC who want a daily schedule that covers DAX, publishing and security.
Skip it ifYou want slow, deep explanations of why each DAX filter works, or you are on a Mac.

Pros

  • Fifteen daily sections of about an hour each give a clear schedule from basics to Power BI Service
  • Reviewers like how each lesson builds on the last, plus the exercises placed between lectures
  • Goes past visuals into DAX, row-level security, scheduling, Python, SQL and the M language
  • Refreshed in September 2026, with 126,000 students and a 4.7 average rating

Cons

  • The pace is fast, and some reviewers lost the reasoning behind the filters and DAX choices
  • Practice data and Power BI defaults sometimes don't match the screen, per several reviewers
  • Windows only, and one reviewer found the recorded volume too low on speakers
Your explanations were clear, practical, and easy to follow. I learned a lot and feel much more confident using Power BI.
Palina Zevakina, a student

Beginner-friendly start, but later days cover Advanced and Pro topics, and it needs a Windows PC.

Featured in our guide: The 10 Best Data Analysis Courses on Udemy in 2026

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What you will learn

  • Transform complex business data into actionable insights with Power Query & DAX
  • Design professional dashboards that align with corporate branding and standards
  • Automate reporting workflows to save time and improve productivity
  • Gain hands-on experience solving real-world business challenges like sales analysis
  • Apply best practices to design dashboards that align with professional standards
  • Optimize data models for speed and scalability in large corporate environments
  • Share cloud-based dashboards for team collaboration with Power BI Services
  • Streamline reporting processes by automating workflows and integrating multiple data sources

Course content

16 sections · 161 lectures · 16 hours of video 6 quizzes, 11 assignments, 15 articles

  1. 1Day 1: Understanding the Basics (Beginner) 4 free previews16 lectures · 4 quizzes · 1.1 hours
  2. 2Day 2: Data Prep & Data Model Fundamentals (Beginner)14 lectures · 1 quiz · 1.2 hours
  3. 3Day 3: Data Preparation, Modeling & Visualization12 lectures · 4 quizzes · 59 min
  4. 4Day 4: Data Transformations (Intermediate)6 lectures · 1 quiz · 41 min
  5. 5Day 5: Interactive Visualizations (Intermediate)9 lectures · 2 quizzes · 50 min
  6. 6Day 6: Advanced Transformations & Visualizations (Advanced)10 lectures · 1 quiz · 53 min
  7. 7Day 7: Advanced Dashboard Enhancements10 lectures · 1 quiz · 58 min
  8. 8Day 8: DAX Essentials9 lectures · 48 min
  9. 9Day 9: DAX - CALCULATE & Filtering9 lectures · 38 min
  10. 10Day 10: DAX - Time Intelligence & ChatGPT11 lectures · 1.1 hours

Who it is for

The instructor says it suits

  • Anyone that has never used Power BI before and is looking for a hands-on approach to learn it
  • Anyone working with data and get professional working with Power BI
  • Anyone that wants to pursue a career as a data analyst, data scientist or BI consultant

What you need before you start

  • Windows PC. You can't natively install Power BI on Mac or Linux.
  • The course is designed to take people from beginner to pro in just 15 days. We start from the basics and have a step-by-step guided approach stretched over 15 days

How it compares

Against the other 68 rated Udemy courses in Power BI on CourseDuck:

  • Rating4.7 out of 5higher than 82% of them
  • Reviews23,152#6 of 69 by number of reviews
  • Length15.8 hourslonger than 83% of them
  • Last updatedSeptember 2026more recently than 86% of them

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Course Description

Learn data visualization through Microsoft Power BI and create opportunities for you or key decision-makers to discover data patterns such as customer purchase behavior, sales trends, or production bottlenecks.   

You'll learn all of the features in Power BI that allow you to explore, experiment with, fix, prepare, and present data easily, quickly, and beautifully.   

Use Microsoft Power BI to Analyze and Visualize Data So You Can Respond Accordingly   

  • Connect Power BI to a Variety of Datasets   

  • Drill Down and Up in Your Visualization and Calculate Data   

  • Visualize Data in the Form of Various Charts, Plots, and Maps   

Convert Raw Data Into Compelling Data Visualizations Using Microsoft Power BI   

Each section provides exercises that will challenge you so you can learn by immediately applying what you're learning.   

Content is updated as new versions of Power BI are released. You can always return to the course to further hone your skills, while you stay ahead of the competition.   

Contents and Overview   

This course begins with Power BI basics. You will navigate the software, connect it to a data file, and export a worksheet, so even beginners will feel completely at ease.   

To be able to find trends in your data and make accurate forecasts, you'll learn how to work with hierarchies and time series.   

Also, to make data easier to digest, you'll tackle how to use aggregations to summarize information. You will also use granularity to ensure accurate calculations.   

In order to begin visualizing data, you'll cover how to create various charts, maps, scatterplots, and interactive dashboards for each of your projects.   

You'll even learn how to join multiple data sources into one in order to combine diverse sources of information in one analytical solution.   

Finally, you'll cover some of the latest and most advanced custom visualizations in Microsoft Power BI, where you will create histograms, brick charts, and more.   

By the time you complete this course, you'll be a highly proficient Power BI user. You will be using your skills as a data scientist to extract knowledge from data so you can analyze and visualize complex questions with ease.   

You'll be fully prepared to collect, examine, and present data for any purpose, whether you're working with scientific data or you want to make forecasts about buying trends to increase profits.   

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Instructor Details

Nikolai Schuler

Are you thinking about pursuing a career as a Data Analyst or Data Scientist?

Do you ever think that your career could take a leap forward if you would have more knowledge and skills in the world of data?

Perhaps you are even feeling overwhelmed by the number of courses available or by the fact that your life is already too full to concentrate on one more course?


I am Nikolai Schuler, I am a data scientist and BI consultant, and I have been there too...

A few years ago I noticed that the world of data benefits from many new tools and technologies. However, I also realized that it is extremely difficult to get trained in the field: Practical courses with real quality content are rare and are often structured in such a way that they are incompatible with a working life full of other tasks and activities.

While going through hours of research and training, I came up with the idea of creating a course that would offer extremely valuable content but that would be at the same time easy to follow due to its structure.

My goal is to help as many people as possible to pursue their desired career in this new Digital Age by enabling them to upgrade their data analysis skills. I am proud to say that I am heading in the right direction as my courses have already found their audience in over 170 countries and received thousands of positive feedbacks.


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Reviews

4.7

23,152 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Dennis Berendsen on 8/28/2026

Great explanations and practical example. Learning by doing. Sometimes the data in the practical course is outdated or mismatching though. Needed to check the Q&A to see why this happened.

By Palina Zevakina on 8/21/2026

Thank you for the excellent Power BI course. Your explanations were clear, practical, and easy to follow. I learned a lot and feel much more confident using Power BI.

By Koen De Ceulaer on 8/5/2026

It was very fast and I feel more attention needs to be given to the reasoning behind the filtering shown in the lecture. It is not good to see that it can, it is better to understand why it is done. Maybe another data set would help feeling people more connected with the choices made and why they are made. I would also not build on things done in previous lessons as you risk loosing someone completely that did not understand a previous lessen to the full extend and thus you risk to build on crooked pilars. Thanks

By Edicta Grullon on 7/10/2026

This was an extraordinary course! Thank you SO very much, Nikolai! I learned everything I needed to learn (and much more) about PowerBI thanks to your very structured, clear, hands-on, build-upon approach. I cannot recommend this course more to anyone who wants to get going with PowerBI but also reach professional skills, becoming aware as well of all the other related (and fun) topics, including integrating Python and SQL, and even learning about the M language. I look forward to taking your other courses. In the meantime, I will be working on projects and reviewing all my notes (I took hand-written notes--almost a whole notebook full!!). This course has proven to be priceless to me and worth every single cent spent on it and much more. Thank you, again!

By Samrat halder on 6/29/2026

All the topics were explained very nicely by the instructor with great examples. Most of the topics that are necesssary for working in the industry have been convered nicely.

By Liliana S on 6/3/2026

This is a great overview course. I enrolled to review Power BI and to identify any gaps in my knowledge, as I had already been working with the tool. Despite my prior experience, I learned many new things and gained valuable insights. Highly recommended.

By Imran Ahmed on 5/12/2026

One of the best Data Analytics courses I’ve taken on Udemy. The instructor explains every concept in a very detailed and practical way, making even complex topics easy to understand. His teaching style is engaging, clear, and beginner-friendly. The course is well-structured and covers almost everything step by step. Highly recommended for anyone serious about learning Data Analytics.

By Price Paramore on 4/29/2026

Lectures are great! Info is great, but the flow is hard to follow. I would love to see on project that is projected throughout the course. Doing examples, but doesn't flow with an actual project is sometimes hard to follow. It also doesn't help to understand the concept.

By Tegan Larsen on 3/31/2026

I have been heavy on the excel side for 15 years with a focus on VBA. I was really struggling to wrap my head around PowerBI by just diving in. This tutorial totally got me on track. Rather than start with a vision and try to suffer through a UI and data concepts I don't fully understand, starting with a fundamental foundation helped a lot. Definitely some epiphanies along the way that made it clear why I was struggling prior to the course. Thank you for all the great info!!!

By Gene Chechel on 2/19/2026

It is a very detailed course that teaches everything from the Desktop app to the cloud collaboration, also includes Python-based data analysis that was a good surprise for me.

Showing all 10 reviews on CourseDuck

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Quality Score

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Overall Score : 94 / 100