Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
which once installed
Grammar usage guide and real-world examplesUSAGE SUMMARY
"which once installed" is a correct and usable phrase in written English.
You can use it to describe something (usually a piece of software) that has been installed but could possibly be uninstalled in the future. For example: "The new software, which once installed, will give you access to more features than ever before."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
Over the last couple of weeks it has been widely reported that the F.B.I. is now using a computer program called Carnivore, which, once installed on the network of an Internet service provider, can troll through millions of e-mail messages and hone in on the electronic correspondence of suspects.
News & Media
They talk about a device which, once installed on a train, brings it to an automatic stop if it overshoots a red signal.
News & Media
Your phone's integrated browser sucks, but you don't have to use it, except to download Opera Mini, which, once installed, makes your phone quite usable as a portable Internet device.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
This can be moved very easily from one spot to another, unlike an air conditioner, which once you install it is attached to one place.
Wiki
A proper 240v home charger – or ready access to public 240v chargers – would maximise the Energi's electric potential, but these tend to cost a couple thousand dollars once installed – which only serves to exacerbate the issue of the Energi's price tag.
News & Media
Once installed, as you're surfing the web, the button appears on any page which offers App Store links.
News & Media
Once installed, when you print a page you will have the option to print using PrimoPDF, which will save the file as a PDF.
Wiki
Once installed, criminals can use the software to capture personal information, or take photographs of computer users - which may be used to blackmail them.
News & Media
Once installed, it was simple to use.
News & Media
Once installed, though, Arcade never relaxed.
News & Media
Once installed, follow these steps.
News & Media
Expert writing Tips
Best practice
Use "which once installed" to describe software or components that can be removed or reinstalled, emphasizing their potentially temporary state.
Common error
Don't use "which once installed" for items intended to be permanent fixtures, as it implies a possible future removal. For permanent fixtures, use phrases like "which is installed".
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which once installed" functions as a relative clause modifying a noun. It provides additional information about something (usually software) that has been installed, implying that the installation is complete but potentially not permanent. Ludwig AI confirms this usage with several examples.
Frequent in
News & Media
33%
Wiki
33%
Science
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "which once installed" functions as a relative clause, denoting something that has undergone an installation process. Its primary purpose is to describe a state after installation, often setting the stage for further explanation or conditions. Ludwig AI indicates the phrase is grammatically correct and commonly used in various contexts like news, wikis, and scientific documents. When writing, remember to use this phrase when describing items, typically software, where the installation may not be permanent.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that after installation
Focuses on the state after installation, replacing the temporal "once" with a direct reference to the post-installation state.
that having been installed
Uses a perfect participle to emphasize the completed action of installation.
that following setup
Replaces "installed" with "setup", emphasizing the initial configuration process.
which upon installation
Uses "upon" to indicate immediate succession after installation.
which after being set up
Emphasizes the process of being set up rather than the state after installation.
that subsequent to installing
Formal phrasing using "subsequent to" to indicate what follows installation.
that when it is set up
Highlights the conditional aspect using "when", suggesting a specific point in time when the condition is met.
which after the install
More informal, using "the install" as a noun.
that is already installed
Emphasizes the existing state of being installed.
that comes pre-installed
Focuses on items already installed by default.
FAQs
How can I use "which once installed" in a sentence?
You can use "which once installed" to describe something that has been installed but may be removed later. For example, "The application, "which once installed", allows temporary access to premium features".
What alternatives are there to "which once installed"?
Alternatives include "that after installation", "that following setup", or "which after being set up", depending on the specific context.
Is "which once installed" formal or informal?
"Which once installed" is generally considered neutral in tone and can be used in both formal and informal contexts.
What is the difference between "which is installed" and "which once installed"?
"Which is installed" implies a permanent or current state, while ""which once installed"" suggests a state that might change in the future, indicating the possibility of removal or reinstallation.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested