If the YouTube Video looks fuzzy/blurry, try doing the following steps.
If 720p is all that you can manage, then select that.
This will allow your video to display in fullscreen mode and in the highest definition available, the video should no longer be blurry/fuzzy after this point.
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Inventory Management
How To Edit A Client Account And Account Field Definitions How To Add A Client Account Add Notes to an Account Add Multiple Addresses and Phone numbers Apply Group Deductions Bulk Change Default Price Code Using the Client Import and Export Utility Creating New and Maintaining Existing Accounts Customize the Account Detail Window Deactivating an Account