If you want to authenticate a work of art, you need to prove to an authenticator your work is legitimate. You will need to show where you obtained your work, its history, and previous owners. When you obtain a piece of art, hold onto any paperwork related to that item. For example, hold onto to receipts and bills of sale. If you purchased a piece of artwork through a well known and respected art dealer, its more likely to be authentic. You should also obtain paperwork that can prove a piece is legitimate. This can include magazine articles on the item, the names of previous owners, and an artist's catalogue featuring the piece. You do not want to have your artwork authenticated by just anyone. It's important you find a legitimate authenticator. As you begin searching for authenticators in your area, watch for signs the people you find are legitimate. You can start your search with a simple Google search. You can also ask at museums and art departments at universities. Workers or professors at these places may have experience with art authentication. Art authenticators should not issue certificates of authenticity for pieces outside their area of expertise. A scholar in renaissance oil paintings, for example, should not be issuing certificates of authenticity for the works of Jackson Pollock. Art authenticators should have an extensive process for issuing the certificate. They should have a team of experts looking at your art instead of relying solely on their own appraisal. Google the name of a potential authenticator. You should find things in your Google search showing this person is an expert. The authenticator should have published papers about the artist in question, curated galleries of works by this artist, and have studied the artist extensively in school. Once you've found a solid authenticator, arrange to have him or her examine your art. You may have to make a trip if you cannot find an authenticator in your area. In addition to presenting the art, bring in your evidence that it is authentic. The biggest things authenticators look for is called provenance. This is essentially the history of documented ownership, as authenticators may be able to trace a work back to the original artist to authenticate it. Make sure you bring in any information you have regarding past owners of your piece. If you are able to trace ownership back to the original artist, physical examination of the work is not needed. If physical examination is necessary, the authenticator may have to work with multiple people to determine authenticity. If your art is found to be legitimate, work with the authenticator to receive your certificate. Fees and the process vary from one authenticator to the next. Ask your authenticator what steps you have to take to get the certificate. It's very important to have a certificate of authenticity if you plan on selling an artwork. As art forgery is common, buyers are unlikely to waste time on artwork that has not been proven to be legitimate.
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One-sentence summary -- Gather materials to prove your item is authentic. Find a reputable authenticator. Present your art to an authenticator. Receive your certificate of authenticity.

Windows does not come with the ability to create ISO files, so you'll need to use a separate program. There are many programs out there that can do this, but many of them also come with adware and other junkware. InfraRecorder is a free, open-source imaging program that does not contain any adware. No one profits from you downloading and installing it. You can download InfraRecorder for free from infrarecorder.org. Download the installer and then run it to install the program. By default, a shortcut will be created on your desktop and in the Start menu. You can create an ISO image from any CD or DVD. The resulting image file will be the same size as the data on the disc (up to 800 MB for a CD, or 4.7 GB for a DVD). A small InfraRecorder window will appear. This will open the "Copy to Disc Image" window. Choose the drive that you have inserted the disc into. This will allow you to choose where you want to save your new ISO file, and what you want to label it. By default, it will save to your Documents folder. The time this takes will depend on the size of the disc and the speed of your drive. Once the process is complete, you'll find the ISO file in the location you set in the previous step.
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One-sentence summary -- Download and install a disc imaging utility, such as InfraRecorder. Insert the disc that you want to copy. Launch InfraRecorder. Select "Read Disc." Select your disc drive from the drop-down menu. Click the "..." button next to the "Image file" field. Click "OK" to begin creating the ISO file.

Most people have a friend or two who stresses them out. Maybe they make every situation dramatic, or they demand tons of emotional energy from you, or they tend to say passive-aggressive things that make you feel insecure. Whatever the case, you can lower your stress levels significantly by cutting these people out of your life and spending time with those who make you happy, energized, and positive about life.If you know a friend makes you anxious or sad, but you don't want to lose them entirely, try talking to them. Say something like, "I really value your friendship, but I get stressed out when you say mean things about our other friends. Could you tone it down so that we can continue to hang out in the future?" In general, it's good to be busy. A full schedule helps you avoid boredom and fight depression, but it can also apply unhealthy amounts of stress on your life and mind. Ask yourself how many of your commitments make you feel good and rewarded, and if any of them seem to strain you more than the others. If one or more of your activities stress you out and keep you up at night, you should consider cutting them out of your life. This simplification will free up some time in your schedule to do something you love, as well as make you more productive and engaged in the activities you continue. This doesn't have to be an all-or-nothing negotiation. For example, if you feel your babysitting workload or volunteering is taking up too much time but you still love it in principle, consider reducing your weekly hours. Ask a coach, parent, or boss to help you tweak your schedule to make it more manageable and rewarding. It might seem that physical exertion will sap your energy and make you feel even more exhausted, but in fact regular physical exercise will energize your body, increase your stamina, and positively impact your mood. Aim to get at least twenty minutes of aerobic exercisefor example, jogging, brisk walking, or cyclinga day in order to release natural endorphins, improve performance and brain power, and boost your immune system. If you already spend a lot of your time shut up alone in your room doing homework or studying, consider taking up a group physical activity such as rowing or yoga. This will give you all the physical benefits of running or cycling while also providing a valuable social stimulus. According to recent studies, teenagers are one of the most sleep-deprived demographics in society. This lack of sleep both reflects heightened stress levels and causes them. Not only does this nine hour downtime allow your brain and body some precious time to unplug from daily worries, it also enhances your performance in school and sports while brightening your overall mood. Some concrete ways to improve sleep include being more active during the day, limiting caffeine intake, and removing distractions such as laptops and television in the bedroom. If you're feeling sleepy in the middle of the afternoon, don't assume you have to fight through the drowsiness. Instead, take a twenty-minute nap to recharge your energy reserves and freshen your perspective on the task at hand.
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One-sentence summary --
Spend less time with people who make you anxious. Simplify your life. Do regular physical exercise. Get nine hours of sleep a night.