Question 30 of 750
Windows OS TroubleshootingmediumMultiple ChoiceObjective-mapped

Install Legacy App on Windows 10: Compatibility Mode

This 220-1202 practice question tests your understanding of windows os troubleshooting. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A user is trying to install a legacy application on Windows 10, but the installer fails with a message about 'incompatible version'. The application is known to work on Windows 7. Which compatibility settings should you try first to allow the installation to proceed?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "first"

    Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

Quick Answer

The correct first step is to right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'. This setting works because Windows 10’s compatibility mode emulates the environment of an older OS, intercepting version-check calls from the legacy application and reporting a compatible system version, which bypasses the 'incompatible version' error. On the CompTIA A+ Core 2 220-1202 exam, this scenario tests your knowledge of application compatibility troubleshooting, often appearing as a multiple-choice question where distractors include changing the UAC level or running the installer as an administrator—neither of which addresses the version mismatch. A common trap is to skip the Compatibility tab and try the Program Compatibility Troubleshooter first, but the manual setting is faster and more reliable for a known-working OS version. Memory tip: think "Right-click, Properties, Compatibility tab, check the box, pick the old OS"—or simply "RCPC" for Right-click, Properties, Compatibility, Check.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'.

Windows 10 includes compatibility modes that emulate older versions of Windows. Running the installer in compatibility mode for Windows 7 can often resolve version-check errors, as it tricks the application into thinking it is running on a compatible OS.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Set the installer to run as an administrator.

    Why it's wrong here

    Running as administrator gives elevated privileges but does not change the OS version reported to the application; it would not fix a version incompatibility error.

  • Enable the 'Reduced color mode' compatibility setting.

    Why it's wrong here

    Reduced color mode is for older graphics applications, not for OS version compatibility; it would not resolve the installer error.

  • Right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'.

    Why this is correct

    This setting makes Windows 10 report itself as Windows 7 to the application, which is the most direct fix for a version incompatibility error during installation.

    Clue confirmation

    The clue word "first" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Use the Program Compatibility Troubleshooter from the Control Panel.

    Why it's wrong here

    The troubleshooter can automatically apply compatibility settings, but manually setting compatibility mode is often faster and more reliable for known issues; the troubleshooter may not always select the correct mode.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A practitioner preparing for the 220-1202 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

Visual reference

Client Recursive Resolver Root DNS (13 root servers) TLD DNS (.com, .org, …) Authoritative example.com query IP addr answer

What to study next

Got this wrong? Here's your next step.

Identify which 220-1202 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

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FAQ

Questions learners often ask

What does this 220-1202 question test?

Windows OS Troubleshooting — This question tests Windows OS Troubleshooting — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'. — Windows 10 includes compatibility modes that emulate older versions of Windows. Running the installer in compatibility mode for Windows 7 can often resolve version-check errors, as it tricks the application into thinking it is running on a compatible OS.

What should I do if I get this 220-1202 question wrong?

Identify which 220-1202 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Are there clue words in this question I should notice?

Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 19, 2026

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This 220-1202 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1202 exam.