Try these solutions:

1. Clear your browser cache - Press Ctrl+Shift+Delete (Cmd+Shift+Delete on Mac)
2. Try a different browser - Chrome, Firefox, and Edge all work well
3. Disable browser extensions - Ad blockers can sometimes interfere
4. Check your Downloads folder - The file may have downloaded without you noticing
5. Try right-click > Save Link As - On the download button

Still not working? Contact support with your order number.

Download links expire after a few hours for security. To get a new link:

1. Go to My Downloads
2. Find your sheet
3. Click "Download PDF" to get a fresh link

Some products have download limits. If you've reached yours:

1. Email support@engineeringsheet.com
2. Include your order number and account email
3. Explain why you need more downloads

We typically reset limits for legitimate requests within 24 hours.

Common causes and fixes:

• Incomplete download - Try downloading again with a stable internet connection
• Outdated PDF reader - Update Adobe Acrobat or use Chrome's built-in viewer
• Browser issue - Try downloading in a different browser

If the issue persists, contact support and we'll send you a fresh copy.

Common reasons for declined payments:

• Insufficient funds - Check your account balance
• Card expired - Verify the expiration date
• Wrong CVV/ZIP - Double-check your billing details
• Bank blocked it - Contact your bank to authorize the transaction
• International purchase - Some banks block foreign transactions by default

Try these alternatives:

• Use a different card

Don't worry! Your order is likely processing. Try these steps:

1. Wait 5-10 minutes - Sometimes orders take a moment to process
2. Check your email - Look for order confirmation (check spam folder)
3. Log in to your account - Check Order History
4. Check My Downloads - Your sheets may already be there

If your order still doesn't appear after 30 minutes, email support@engineeringsheet.com with your payment confirmation/receipt.

Check these common issues:

• Expired code - Promo codes have expiration dates
• Minimum purchase - Some codes require a minimum order amount
• Already used - Most codes can only be used once per account
• Wrong product - Some codes only apply to specific products
• Typo - Double-check spelling and capitalization

Current active code: FINALS40 (40% off during finals season)

Because our products are digital downloads delivered immediately, we don't offer change-of-mind refunds. Refunds are available for technical issues, duplicate purchases, or if the product significantly differs from its description.

To request a refund:

1. Email support@engineeringsheet.com
2. Include your order number and reason
3. We'll review and respond within 3-5 business days

See our full refund policy for details.

Try these steps:

1. Reset your password - Go to Forgot Password
2. Check your email - Make sure you're using the correct email address
3. Clear cookies - Press Ctrl+Shift+Delete and clear cookies
4. Try incognito mode - This bypasses cached login issues

Still can't log in? Email us with your registered email address.

1. Check spam/junk folder - Reset emails often land there
2. Search for "@engineeringsheet.com" - In all email folders
3. Wait a few minutes - Emails can be delayed
4. Try again - Request a new reset link
5. Add us to contacts - Add support@engineeringsheet.com to ensure delivery

Check these:

• Correct account? - Make sure you're logged in with the same email used for purchase
• Recent order? - New purchases may take a few minutes to appear
• Different email? - You may have used a different email at checkout

If you purchased as a guest or with a different email, contact support with your order confirmation to link it to your account.

To change your email address:

1. Email support@engineeringsheet.com
2. Send from your current registered email
3. Include your new email address
4. We'll update your account and send confirmation

Try these fixes:

• Check your internet connection - Videos require stable bandwidth
• Refresh the page - Press F5 or Ctrl+R
• Try a different browser - Chrome works best
• Disable VPN - VPNs can sometimes block video content
• Clear browser cache - Old cached data can cause issues
• Try a lower quality setting - If available in the video player

Progress should save automatically. If it's not:

• Make sure you're logged in - Check the top right corner
• Don't close the browser too quickly - Wait for the progress indicator
• Check your internet connection - Progress syncs online
• Try a different browser - Browser extensions can interfere

To get your certificate:

1. Make sure you've completed all lessons in the course
2. Pass the final assessment with 70% or higher
3. Go to the course completion page
4. Click "Download Certificate"

If you've completed everything but can't find your certificate, contact support.