Match the version to the requirements page

Find the developer's current requirements for the edition you plan to buy. A subscription application, an older perpetual version and a browser edition can have different requirements even when their names are similar. Save the relevant page or a dated note with your purchase research.

Separate minimum from recommended specifications. The minimum may establish whether installation or basic use is supported; it does not promise a comfortable experience with large projects or other applications open. Use the recommended specification as a more useful starting point, then compare it with your workload.

Look for feature-specific notes. An application may open on a computer while a particular graphics-accelerated effect, export format or local processing feature requires additional hardware. The feature you are buying it for deserves its own check.

Read the less prominent lines

Processor architecture, operating-system version, memory, graphics support and free storage are separate conditions. A computer with enough RAM can still have an unsupported graphics driver or operating-system release. Do not treat one strong specification as compensation for an incompatible requirement.

Adobe's Photoshop requirements illustrate the range of details that can matter: the documentation distinguishes processor, operating system, memory, graphics and display conditions. Other applications may add requirements for particular devices, codecs or network services.

For an Arm-based Windows computer, confirm support with the software developer and check required peripheral drivers separately. Microsoft's Arm guidance makes clear that application and hardware support depend on the relevant developers. Being able to run a familiar application through compatibility mechanisms does not guarantee that every associated driver or add-on will work.

Check whether an internet connection is required for activation, regular validation or a feature used during work. A program installed on the computer may still depend on a service. If you work offline, test that part of the workflow rather than assuming a desktop icon means independence from the network.

Include the files and tools around the application

List required plug-ins, fonts, templates and hardware. A main program can meet every system requirement while an older plug-in prevents you from completing a project. Confirm compatibility for the complete set.

Check file compatibility in both directions. Can the application open your existing projects, and can collaborators open what it saves? Exporting to a common format may preserve appearance while losing editability or certain features. Test a representative file rather than relying on a broad claim of compatibility.

For specialist work, ask the developer a precise question with the model, operating-system version and required feature. A written answer about that combination is more useful than a general sales statement that the software runs on most modern computers.

Use a trial as a rehearsal

If a trial is available, use it on a copy of a real project. Import material, edit it, save it, export the result and reopen it. Check whether the trial limits the very feature you need to evaluate.

Observe responsiveness during your ordinary multitasking, not just in an otherwise empty session. Keep notes on errors or missing functions and resolve them before paying. A successful installation is the beginning of the test, not its conclusion.

Read the purchase and cancellation terms separately from technical suitability. Do not assume a refund will be available if the machine fails a requirement that was published beforehand. When compatibility remains uncertain, delay the purchase until the developer or a complete trial has answered the question.

Sources & further reading