Reinstall Notes App On Mac
Mac App store blank screen and other issues on macOS Catalina. If you see a bank app store screen or your app store app simply freezes or experiences interim crashing on macOS Catalina, check the following tips out. One trick that has worked in the past when dealing with odd behavior on the Mac app store is to change the System date/time. Reinstall your computer’s original version of macOS (including available updates): Press and hold Shift-Option-Command-R. Reinstall the version of macOS stored on your computer’s built-in recovery disk: Press and hold Command-R. In the Recovery app window, select Reinstall macOS, then click Continue. Follow the onscreen instructions. Change Allow apps downloaded from: to App Store and identified developers. Note: For Mac High Sierra (10.13.x), you will need to click on Allow too. Click the lock icon again to prevent any further changes. Installing the Zoom application. Visit our Download Center. Under Zoom Client for Meetings, click Download. Double click the downloaded file. In the Notes app on your Mac, click a note in the notes list or double-click a note in gallery view. To format text, do any of the following: Change the formatting of selected text (such as changing a phrase to bold): Select some text, click the Format button, then choose an option (or use the Touch Bar ). How to send a note to another person or app; Notes in macOS Catalina; How to start a new note. Launch Notes from your Dock or Finder. Click the New Note button (looks like a pencil on a square). Alternatively, click File in the menu bar at the top of your screen and select New Note.
App Store User Guide

There are several ways to install and reinstall apps that you purchased with your Apple ID.
Note: In the App Store, all of your purchases are tied to your Apple ID, and can’t be transferred to another Apple ID. If you make purchases on your iPhone, iPad, or another Mac, always sign in using the same Apple ID so you can see all of your store purchases on this Mac and download any available updates.
Install apps that you purchased on a different device
You can install any app that you purchased with your Apple ID on another device.
Reinstall Notes App On Mac Desktop
In the App Store on your Mac, click your name in the bottom-left corner, or click Sign In if you’re not already.
Locate the purchased app you want to download, then click the Download button .
Automatically download apps that you purchased on a different device
In the App Store on your Mac, click your name in the bottom-left corner, or click Sign In if you’re not already.
Choose App Store > Preferences, then select “Automatically download apps purchased on other devices.”

Reinstall apps
If you uninstalled or deleted an app that you purchased with your Apple ID, you can install it again.
In the App Store on your Mac, click your name in the bottom-left corner, or click Sign In if you’re not already.
Locate the purchased app you want to reinstall, then click the Download button .

You can also download an app from the internet or install an app from a disc. See Install and uninstall apps.