- A
Install the app in a virtual machine running 32-bit Windows.
Why wrong: This is overly complex and unnecessary; 32-bit apps run natively on 64-bit Windows via WOW64.
- B
Enable Windows 8 compatibility mode for the app.
Why wrong: Compatibility mode is for older OS versions, not for architecture differences; the app will run without it.
- C
Install the app normally; 32-bit apps are supported on 64-bit Windows.
Windows 64-bit includes WOW64, which emulates a 32-bit environment, allowing the app to install and run without issues.
- D
Download and install the 64-bit version of the app from the vendor.
Why wrong: The scenario states the app is only available in 32-bit; a 64-bit version does not exist.
Question 122 of 1,020
Run 32-bit App on 64-bit Windows 10 Tablet
This 220-1201 practice question tests your understanding of mobile device application support. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 technician is setting up a Windows 10 tablet for a field worker who needs to use a legacy line-of-business (LOB) app that only runs in 32-bit mode. The tablet has a 64-bit processor and Windows 10 Pro. How should the technician ensure the app runs correctly?
Quick Answer
The answer is to install the app normally, as 32-bit apps are fully supported on 64-bit Windows 10. This works because Windows 10 64-bit includes WOW64 (Windows 32-bit on Windows 64-bit), a compatibility layer that allows legacy 32-bit applications to run seamlessly on a 64-bit processor without any additional configuration or emulation software. On the CompTIA A+ Core 1 220-1201 exam, this question tests your understanding of Windows architecture and application support on mobile devices like tablets; a common trap is assuming you need to enable compatibility mode or install a virtual machine, but the correct answer is simply to run the installer as usual. Remember, when you need to run a 32-bit app on a 64-bit Windows 10 tablet, WOW64 has your back—think “WOW, it just works.”
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
✓
Install the app normally; 32-bit apps are supported on 64-bit Windows.
Windows 10 64-bit includes the Windows-on-Windows 64-bit (WOW64) subsystem, which provides full compatibility for 32-bit applications without any additional configuration. Since the legacy LOB app is a 32-bit x86 application, it will run natively under WOW64 on the 64-bit version of Windows 10 Pro. No virtualization, compatibility mode changes, or separate 64-bit version is required.
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.
- ✗
Install the app in a virtual machine running 32-bit Windows.
Why it's wrong here
This is overly complex and unnecessary; 32-bit apps run natively on 64-bit Windows via WOW64.
- ✗
Enable Windows 8 compatibility mode for the app.
Why it's wrong here
Compatibility mode is for older OS versions, not for architecture differences; the app will run without it.
- ✓
Install the app normally; 32-bit apps are supported on 64-bit Windows.
Why this is correct
Windows 64-bit includes WOW64, which emulates a 32-bit environment, allowing the app to install and run without issues.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Download and install the 64-bit version of the app from the vendor.
Why it's wrong here
The scenario states the app is only available in 32-bit; a 64-bit version does not exist.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may overcomplicate the solution by assuming a 32-bit app cannot run on 64-bit Windows, leading them to choose virtualization or compatibility mode, when in fact WOW64 provides built-in support for 32-bit applications on 64-bit Windows.
Trap categories for this question
Scenario analysis trap
The scenario states the app is only available in 32-bit; a 64-bit version does not exist.
Detailed technical explanation
How to think about this question
WOW64 works by intercepting 32-bit system calls and translating them into 64-bit calls for the Windows kernel, while also providing a separate registry view (Wow6432Node) and file system redirection (e.g., %SystemRoot%\SysWOW64). This allows 32-bit applications to run seamlessly without modification. In real-world scenarios, many legacy LOB apps remain 32-bit due to vendor abandonment, and WOW64 ensures they continue to function on modern 64-bit hardware without requiring a full OS reinstall or virtualization.
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.
TExam Day Tips
- 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 220-1201 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.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Mobile Device Application Support — study guide chapter
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FAQ
Questions learners often ask
What does this 220-1201 question test?
Mobile Device Application Support — This question tests Mobile Device Application Support — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Install the app normally; 32-bit apps are supported on 64-bit Windows. — Windows 10 64-bit includes the Windows-on-Windows 64-bit (WOW64) subsystem, which provides full compatibility for 32-bit applications without any additional configuration. Since the legacy LOB app is a 32-bit x86 application, it will run natively under WOW64 on the 64-bit version of Windows 10 Pro. No virtualization, compatibility mode changes, or separate 64-bit version is required.
What should I do if I get this 220-1201 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This 220-1201 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 220-1201 exam.
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