If a user launches the App Store app on their Mac, they may see that Office apps are available for download even though Office is already installed from Microsoft's CDN. Depending upon the currently installed Office build, and the build available in the Mac App Store, the existing app may or may not get overwritten. Once you've successfully launched InsomniaX, a small crescent moon icon will be added to your Mac's menu bar. To enable the utility, just click on the icon and select Disable Lid Sleep. You'll now be able to close your MacBook and continue playing music. InsomniaX for Mac is a. InsomniaX for Mac is a small utility that acts as a wrapper to the Insomnia kernel extension. InsomniaX disables either lid and/or idle sleep on your MacBook - any MacBook - allowing you to play music through speakers even while it's closed! Or simply just to quickly stop the system from going to sleep on idle.

While the Mac App Store brings its fair share of benefits—including the ability to quickly and easily update all your software—it can be an annoying proposition for for those who have bought software from outside the store, such as directly from the app’s developer. If you want the perks of store-bought software for your already installed programs, you have to buy apps a second time. While Apple hasn’t made that process any easier, it’s at least started offering a warning before you shell out your hard-earned cash again.

The Mac App Store makes it easy to find and download Mac apps as well as widgets and extensions — like editing extensions for the new Photos app. You can browse Mac apps by category, such as games, productivity, music and more.
Application Store “App Store” Preview for Mac gives a depiction of the App Store directly from your OS X Dashboard. A simple to-utilize gadget, it allows you to sort and look for applications dependent on cost and fame. A portion of its highlights don’t work appropriately, however.

Now, when you attempt to purchase an app from the Mac App Store that you’ve already installed from elsewhere, you’ll be prompted with the following dialog box:

Though this doesn’t really reduce the pain of having to pay a second time for the same app, it does at least give less savvy users a heads-up before they accidentally buy a program all over again.

How to download apps for Mac

Open the App Store app.
Browse or search for the app that you want to download.
Click the price or Get button. If you see the 'Open' button instead of a price or Get button, you already bought or downloaded that app.

In the App Store, if an app has a Get button instead of a price, the app is free. Backyard baseball multiplayer. You won't be charged for downloading a free app. Some free apps offer in-app purchases and subscriptions that you can buy. Subscriptions and in-app purchases give you access to more features, content, and more. Learn more about in-app purchases and subscriptions.

How to find apps that you bought

Use Launchpad to open apps that you downloaded. Some apps might ask you to download Rosetta before you open the app.

If the app that you want doesn't appear in Launchpad, redownload the app. When you redownload an app, you don't have to pay for it again.
If you want to download an app that a family member bought from the App Store, redownload the app. Make sure that you're both using Family Sharing.
If you’re using a Mac with Apple silicon, you might be able to use some iPhone or iPad apps that you purchased on your Mac. Determine whether you're using a Mac with Apple silicon, then redownload the iPhone or iPad app onto your Mac.

If you can't find the App Store

In the Dock

In the menu at the top of your screen

If you don't see the icon in the Dock, choose Apple  menu > App Store from the menu at the top of your computer screen.

If you have an issue when you download apps

To buy apps from the App Store, you need an Apple ID and a payment method. If you’re only downloading free items, you still might need to keep a payment method on file.

If you can’t download apps because your payment method was declined, update or change your payment method.
Can’t sign in to the App Store? Learn what to do if you forgot your Apple ID or your Apple ID password. Or if you don’t have an Apple ID, learn how to set up an Apple ID.
Learn what to do if you can sign in and your payment method is valid but you still can't download apps.

Insomniax For Mac App Store

If an app does not work

Learn what to do if an app closes unexpectedly or won't open.
If an app isn't working as expected, you can contact the app developer. Or report a problem to Apple.

Learn more about apps

Insomniax For Mac App Store Free

You can download some apps from the app developer’s website. But the App Store offers a more secure experience.
Learn more about using apps on your Mac.