So "offers a range of features" can be "offers a variety of tools|provides an array of functions|includes a suite of capabilities". Then the rest of the sentence remains the same.
"Enhanced Collaboration: Collaborate with team members in real-time, reducing miscommunication and errors."
Next sentence: "One such tool that has gained popularity in recent times is Expert Mistry." "Gained popularity" can be spun as "gained traction|become widely accepted|attracted attention".
"Download and Install: Click on the download link, and the software will be installed on your device."
"Choose Your Plan: Select the plan that best suits your needs, including the number of users and features required."
"Visit" → "Access|Navigate to|Go to" "Official" → "Authorized|Official|Legitimate" (but maybe "Official" is already there. Wait, the user said "no changes to proper nouns". "Official" isn't a proper noun, so we can change it. Maybe "Authorized|Recognized|Formal". "website" → "site|portal|webpage" "click on" → "select|tap|open" "button" → "option|link|icon"