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Computer refresher training
More than 2 million learners worldwide

Computer refresher training

Get back up to speed with the computer skills that today's workplaces actually require. This course walks you through everything from basic navigation and file management to email, spreadsheets, and online security. No experience assumed, no steps skipped — just clear, practical instruction that builds real confidence fast.

Dedika for businesses

What you will learn:

You will learn how to navigate a computer desktop, manage files and folders, and create professional documents using a word processor. The course covers spreadsheet fundamentals, including formulas and charts, so you can handle everyday data tasks at work. You will also develop safe browsing habits, set up and organize email, and use cloud storage tools to collaborate with others. Security topics include recognizing phishing, managing passwords, and backing up your data. By the end, you will have the core computer skills needed to work productively and confidently in any modern office environment.

How you study in a practical way Computer refresher training

How you practice Computer refresher training

For companies who want to train their team

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Getting Reoriented With Modern Computers

  • Lesson 1 • Hardware Components and Their Functions

    Identifies physical parts of a desktop and laptop and explains each component's role. Establishes vocabulary needed for all subsequent technical topics.

  • Lesson 2 • Shutting Down and Restarting Safely

    Explains proper shutdown, restart, and sleep procedures to protect data and hardware. Completes the full power-cycle knowledge needed for responsible computer use.

  • Lesson 3 • Using a Mouse and Keyboard Effectively

    Builds precise mouse control and essential keyboard habits to speed up all computer tasks. Reduces errors and fatigue in daily computer use.

  • Lesson 4 • Navigating the Desktop Environment

    Teaches taskbar, Start menu, and desktop icon usage for efficient workspace control. Provides the navigation foundation required for all file and application work.

  • Lesson 5 • Powering On and Logging In

    Covers startup sequences, user account selection, and secure login methods. Connects hardware knowledge to first interaction with the operating system.

Chapter 2See details

Managing Files and Folders

  • Lesson 1 • Understanding the File System

    Explains drives, directories, and file paths so learners can locate any file confidently. Provides the mental model underlying all file management tasks.

  • Lesson 2 • Copying, Moving, and Deleting Items

    Covers cut, copy, paste, and delete operations using menus and keyboard shortcuts. Builds the core manipulation skills used in every file management scenario.

  • Lesson 3 • Searching and Sorting Files

    Demonstrates search tools, filters, and sort options to locate files quickly. Reduces time lost hunting for documents in large folder structures.

  • Lesson 4 • Compressing and Extracting Files

    Introduces ZIP archives for reducing file size and bundling multiple items. Prepares learners to send and receive compressed files in professional settings.

  • Lesson 5 • Creating and Naming Files and Folders

    Teaches best practices for naming conventions and folder hierarchy creation. Consistent naming prevents confusion and speeds up future file retrieval.

Chapter 3See details

Word Processing Fundamentals

  • Lesson 1 • Inserting Tables and Images

    Adds tables for structured data and images to enhance document communication. Expands document capability beyond plain text for professional reports.

  • Lesson 2 • Formatting Text and Paragraphs

    Applies fonts, sizes, bold, italics, alignment, and spacing to improve readability. Connects visual presentation to professional document standards.

  • Lesson 3 • Text Entry and Basic Editing

    Teaches typing, selecting, deleting, and rearranging text efficiently. These editing skills underpin every document task covered in later sections.

  • Lesson 4 • Working With Page Layout

    Configures margins, orientation, headers, footers, and page numbers for polished output. Prepares documents for printing or formal digital submission.

  • Lesson 5 • Creating and Saving Documents

    Covers opening new documents, saving in multiple formats, and using autosave features. Establishes safe document habits before any formatting work begins.

Chapter 4See details

Spreadsheet Basics for Data Management

  • Lesson 1 • Creating Basic Charts

    Generates bar, line, and pie charts from spreadsheet data to visualize trends. Visual output skills prepare learners for presentation and reporting work.

  • Lesson 2 • Entering and Formatting Data

    Covers data types, cell formatting, and consistent entry practices for clean datasets. Proper formatting prevents calculation errors addressed in later sections.

  • Lesson 3 • Basic Formulas and Functions

    Introduces SUM, AVERAGE, COUNT, MIN, and MAX to automate calculations. Demonstrates how formulas replace manual arithmetic in workplace data tasks.

  • Lesson 4 • Spreadsheet Interface and Navigation

    Orients learners to cells, rows, columns, sheets, and the formula bar. Establishes the spatial understanding required for all spreadsheet operations.

  • Lesson 5 • Sorting, Filtering, and Simple Analysis

    Applies sort and filter tools to extract meaningful insights from raw data. Builds analytical habits that support reporting tasks introduced in later chapters.

Chapter 5See details

Internet Navigation and Online Research

  • Lesson 1 • Browser Basics and Settings

    Introduces browser interface elements, tabs, bookmarks, and essential settings. Establishes a productive browsing environment before research tasks begin.

  • Lesson 2 • Online Forms and Secure Transactions

    Guides learners through completing web forms, recognizing HTTPS, and protecting personal data. Builds safe online behavior essential for professional and personal use.

  • Lesson 3 • Downloading and Managing Online Files

    Covers safe file downloads, managing the Downloads folder, and verifying file integrity. Connects browsing skills to file management covered in Chapter 2.

  • Lesson 4 • Effective Search Techniques

    Teaches keyword strategies, search operators, and result filtering to find accurate information faster. Directly improves research quality for all workplace tasks.

  • Lesson 5 • Evaluating Online Sources

    Applies credibility criteria to assess accuracy, authority, and bias of web content. Prevents use of unreliable information in professional work products.

Chapter 6See details

Email and Digital Communication

  • Lesson 1 • Calendar and Meeting Scheduling

    Uses integrated calendar tools to schedule meetings, set reminders, and manage availability. Extends email skills into full digital communication workflow management.

  • Lesson 2 • Managing Attachments and Links

    Explains attaching files, sharing links, and safely opening received attachments. Reduces risk of data loss and security incidents from mishandled files.

  • Lesson 3 • Composing Professional Emails

    Teaches subject lines, salutations, body structure, and sign-offs for workplace messages. Connects writing clarity to professional credibility and response rates.

  • Lesson 4 • Organizing and Searching Your Inbox

    Applies folders, labels, flags, and search filters to maintain an efficient inbox. Prevents missed messages and reduces time spent managing high email volume.

  • Lesson 5 • Setting Up and Navigating Email

    Covers account setup, inbox layout, and folder structure for an organized email environment. Establishes the workspace needed before composing or managing messages.

Chapter 7See details

Computer Security and Safe Practices

  • Lesson 1 • Safe Browsing and Email Habits

    Reinforces secure browsing behaviors and email vigilance to prevent credential theft. Integrates security awareness into the browsing and email skills from earlier chapters.

  • Lesson 2 • Backing Up Data and Recovering Files

    Covers backup strategies, schedules, and recovery procedures to minimize data loss. Ensures learners can restore work after hardware failure, theft, or ransomware.

  • Lesson 3 • Understanding Common Cyber Threats

    Describes phishing, malware, ransomware, and social engineering tactics used against users. Awareness of threat types is the prerequisite for all protective actions.

  • Lesson 4 • Keeping Software and Systems Updated

    Explains why updates patch vulnerabilities and how to manage automatic update settings. Reduces exposure to known exploits that target outdated software.

  • Lesson 5 • Creating and Managing Strong Passwords

    Teaches password length, complexity, uniqueness, and the use of password managers. Strong credentials are the first line of defense for all accounts covered in this course.

Chapter 8See details

Cloud Storage and Collaboration Tools

  • Lesson 1 • Uploading and Organizing Cloud Files

    Demonstrates uploading, folder creation, and file organization within a cloud drive. Extends file management skills from Chapter 2 into a cloud environment.

  • Lesson 2 • Sharing Files and Setting Permissions

    Covers share links, permission levels, and expiration settings to control file access. Ensures learners share information securely and appropriately in team settings.

  • Lesson 3 • Real-Time Co-Editing Documents

    Teaches simultaneous editing, comment threads, and version history in shared documents. Builds collaborative document skills that reduce email back-and-forth.

  • Lesson 4 • Team Messaging and Video Calls

    Introduces instant messaging channels, video conferencing, and screen sharing for remote teamwork. Completes the digital collaboration toolkit for distributed work environments.

  • Lesson 5 • Understanding Cloud Storage

    Explains what cloud storage is, how syncing works, and why it improves file accessibility. Provides the conceptual foundation for all cloud-based collaboration tasks.

Certification

Your valid completion certificate

This course is for you:

  • Returning workers: re-entering the workforce after a long absence.

  • Retirees: wanting to stay connected and handle daily digital tasks.

  • Career changers: moving into office roles that demand basic computer fluency.

  • Small business owners: managing their own records, email, and documents independently.

  • Administrative assistants: needing to close skill gaps before a performance review.

What our students say

Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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