In one sentence, describe what the following article is about: Go to https://www.ubuntu.com/download/desktop in your computer's web browser. You can download the Ubuntu disk image (also known as an ISO file) here. You'll find it near the bottom of the page. It's a green button to the right of your selected version of Ubuntu. Doing so takes you to the support page. This link is in the bottom-left corner of the page. The Ubuntu ISO should begin downloading immediately, but if it doesn't, you can click the download now link at the top of the page. While the Ubuntu ISO downloads, you'll have plenty of time to set up your virtual machine in VirtualBox.
Summary: Open the Ubuntu website. Scroll down to the latest version of Ubuntu. Click Download. Scroll down and click Download Now. Make sure that Ubuntu begins downloading.

In one sentence, describe what the following article is about: Rinse out your mouth with cool or cold water. Rinsing may get rid of any debris that is causing your gums to itch and help soothe inflammation and swelling. Try and rinse with filtered or bottled water. You could be allergic to something in your water and that is causing your itchy gums. Suck on a piece of ice if your gums are itchy. The cold can numb the discomfort and reduce any inflammation associated with itchy gums.  Try popsicles or other frozen foods if you don’t like ice cubes. Allow the ice to melt, which can keep your oral cavity hydrated and may prevent further itching. Depending on the source of your itchy gums, gargling with some saltwater can relieve itchiness. Rinse with saltwater until your gums stop itching.  Mix one tablespoon of salt in glass of warm water. Gargle a mouthful for about 30 seconds, concentrating on your gums. Spit out the water when you're finished. Avoid swallowing the mixture and don’t use it for more than seven to 10 days. Mix a solution of hydrogen peroxide and water. The solution may minimize any itchiness or associated inflammation.  Mix 3% hydrogen peroxide with an equal amount of water. Rinse with the mixture for 15–30 seconds and spit it out when you’re done. Avoid using hydrogen peroxide for longer than 10 days. You can also try rinsing your mouth with bee propolis liquid, though this may stain your teeth. Add six to 10 drops into a glass of water and rinse for one minute before spitting out the solution. Mix baking soda and water to form a paste, then apply it to your gums. The paste may control any bacterial infections causing your gums to itch.  Spoon one tablespoon of baking soda with a few drops of filtered or bottled water. Add small amounts of water until the mixture makes a thick paste. Consider trying a mixture of baking soda and hydrogen peroxide. Recent studies have shown that aloe vera can help with inflammation due to oral conditions. Dab some on your itchy gums to help relieve the condition. You can find aloe vera in the following forms, all of which may help your itchy gums:  Toothpastes and mouthwashes Gels, which you can mix with water and drink or dab directly on your gums Topical sprays Juices, which you can swish around Consider limiting foods and drinks that may make any itchiness or inflammation worse. Limit or avoid spicy and acidic foods or tobacco.  Be aware of trigger foods that make your itchiness worse. These may be the signal of an oral allergy as the cause of your itchy gums.  Eat foods that won't make the itchiness worse. Try yogurt and ice cream, which may cool and sooth your gums. Foods and drinks like tomatoes, lemons, orange juice, and coffee may make your itching or any inflammation worse.  Stay away from tobacco products, which might be the source of your itching or make it worse. . Studies have shown that psychological stress can contribute to periodontal disease. Reducing the stress in your life may help relieve itching gums.  Avoid stressful situations whenever you can. Exercise and gentle activities can minimize stress.
Summary: Rinse your mouth with cool water. Suck on some ice. Gargle with saltwater. Swish a hydrogen peroxide solution. Make a baking soda paste. Dab on aloe vera. Limit spicy and acidic foods. Reduce stress levels

In one sentence, describe what the following article is about: Click or double-click the Excel app icon, which resembles a green box with a white "X" on it. This will open the Excel launch page. If you already had Excel open, make sure you save your work by pressing Ctrl+S. You can then skip the next step. It's in the upper-left side of the launch page. This option is in the top-left corner of the Excel window. Doing so brings up a menu on the left side of the window. You'll find this in the left-hand column of options. It's in the middle of the window. Clicking it prompts a pop-up menu. This option is in the pop-up menu. If you don't see this option, first click Enable Updates in the pop-up menu. You should then be able to find the Update Now option in the pop-up menu. This may involve following some on-screen instructions or prompts (e.g., closing Excel). Once the updates finish installing, the update window will close and Excel will re-open. If no updates are available, you won't see an update progress window appear.
Summary:
Open Excel. Click Blank document. Click File. Click Account. Click Update Options. Click Update Now. Allow the updates to install.