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Here are things you need to do in order to download the products:
1. DOWNLOAD and SAVE the file(s) on your device.
Once you click on the download link(s), you may see a dialog box asking you to choose "SAVE" or "OPEN". Choose "save". It is also possible that your browser will automatically start the download and it will go into your default downloads folder.
Please make a backup copy or two of the files, on a flash drive (memory stick), CD, or another computer of yours! This is IMPORTANT. Several people email us weekly because they lost their Math Mammoth files (usually because of a computer crash or backup drive failure, but some other reasons include: "My ex has it now", "The laptop got stolen", "The computer burnt in a house fire", etc., so just about anything can happen).
2. CONCERNING PDF FILES:
Once downloaded to your computer, locate the PDF files where you saved them. Double-click to open. The files should open in Adobe Acrobat Reader, which is a free program for viewing PDF files.
If what comes up looks like a jumbled mess of random characters, or if some images are missing, or if there are black boxes, etc, you need to install Acrobat Reader or a newer version of it. You can download & install it from this link: get.adobe.com/reader/.
If that does not help for the "jumbled" looks, please redownload.
3. CONCERNING ZIP FILESThe zip file is like a package. You need to extract the files from inside it. This is also called "unzipping".
Once the file is fully downloaded to your computer, find it in the folder you saved it in, and right-click on it. Most people have a zip program installed. If you do, you will see the option to "extract" so choose that.
If you do not already have a zip utility program, you can download a free zip program here: http://www.7-zip.org/.
If on a phone or tablet, you will first need to install an app for zip files, then download the zip file using that app.
Problem with a "corrupt" / invalid zip file
If, upon trying to open the zip file, you get an error about a corrupt file, or invalid zip folder, or something similar, then your download wasn't complete, and you have only partially downloaded the zip file onto your computer. In that case, please redownload.
4. OTHER PROBLEMS
Problem: (on Mac) Some graphics do not show up. Or, many of the pages have black rectangles or boxes.
Solution: Do NOT open Math Mammoth PDFs in Mac's native PDF previewer at all. Instead, download and install Adobe Acrobat Reader for Mac from this link, and open the PDFs in it.
If you already opened the PDFs in Mac's Previewer, and then you opened them in Adonbe Reader, and the black boxes persist, you will need to delete the PDF files, redownload them, and then avoid opening them in Mac's Preview program.
Problem: Printer refuses to print some pages and gives a "spooling" error message.
Solution: Print those pages somewhere else. Or, contact your printer company to resolve this issue. Or, email me and I can email you those pages as jpg files.
Avast Problem: Avast stops the download of a zip file.
Solution: Turn Avast off temporarily by right clicking on the Avast icon in the tray at bottom right. This is a false positive - it is not a real threat. In other words, Avast is in error. Avast thinks that a part in the Soft-Pak bonus software contains a virus, but it does not... it has been screened by other anti-virus programs and comes out perfectly clean. Even Avast, when used to scan the Soft-Pak after downloading with the Avast shield off, shows Soft-Pak to be clean.
If you have any other problems with the download or opening the files, please contact us at MathMammoth.com/contact.php.
Remember to add the domain MathMammoth.com to your email program's 'white list', if applicable.
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