Step 1: Stay on the webpage you're having trouble accessing
Step 2: Click the icon circled in red

Step 3: Click Site settings

Step 4: Under permissions find Pop-ups and redirects and select the box to the right

Step 5: Click Allow

Alternate Method
Step 1: Open Google Chrome
Step 2: Click the three dots (...) in the top-right corner
Step 3: Select Settings
Step 4: Click Privacy and security
Step 5: Click Site Settings
Step 6: Click Pop-ups and redirects
Step 7: Under Allowed, click Add
- Enter the website address
Step 8: Click Add