# Apers Documentation > How to use Apers system ## Docs - [Creating Models](https://docs.apers.app/ai-excel-modeling/creating-models.md): Learn how to create new spreadsheets and clean up messy data - [Editing & Version Control](https://docs.apers.app/ai-excel-modeling/editing-and-version-control.md): Learn how to view live changes and manage spreadsheet versions - [Exporting & Saving](https://docs.apers.app/ai-excel-modeling/exporting-and-saving.md): Learn how to download spreadsheets and save them for future use - [Overview](https://docs.apers.app/ai-excel-modeling/overview.md): Learn how Apers creates and edits spreadsheets for you - [AI Thinking Process & Approvals](https://docs.apers.app/ai-excel-modeling/thinking-process.md): Learn how to review and approve Apers' spreadsheet changes - [Working with Existing Models](https://docs.apers.app/ai-excel-modeling/working-with-existing-models.md): Learn how to upload, audit, and work with your existing spreadsheets - [Analyzing Deals](https://docs.apers.app/analyze-deals.md): Learn how to analyze deals using Chat and Deals in Apers - [Build Strategies with Playbooks](https://docs.apers.app/build-strategies.md): Formalize your investment thesis and simulate counterparty preferences with Apers Playbook - [Overview](https://docs.apers.app/credits/overview.md): Understand how credits work and how they are consumed across Apers - [Plans](https://docs.apers.app/credits/plans.md): Compare Apers subscription tiers and find the right fit for your workflow - [Purchasing Credits](https://docs.apers.app/credits/purchasing-credits.md): Buy additional credits when you need more than your plan includes - [Referrals](https://docs.apers.app/credits/referrals.md): Earn bonus credits by referring other professionals to Apers - [Attaching Playbooks to Deals](https://docs.apers.app/deals/attaching-playbook.md): Learn how Playbooks work within deals - [Sub-Chats](https://docs.apers.app/deals/chats.md): Learn how sub-chats work within a deal - [Deal Tabs](https://docs.apers.app/deals/deal-tabs.md): Learn about the four tabs inside every deal - [Working Inside a Deal](https://docs.apers.app/deals/inside-a-deal.md): Learn about the main actions you can take inside a deal - [Managing Deals](https://docs.apers.app/deals/manage-deals.md): Learn how to share, duplicate, and delete deals - [Market Data](https://docs.apers.app/deals/market-data.md): Access property demographics and mortgage rates directly inside your deal - [Overview](https://docs.apers.app/deals/overview.md): Learn how Deals help you organize and manage your real estate projects - [Manage Pipeline](https://docs.apers.app/deals/pipeline.md): Learn about the different ways to view and organize your deals - [Document Editing](https://docs.apers.app/documents/overview.md): Learn how Apers creates and edits Google Docs within your deals - [Introduction](https://docs.apers.app/index.md): Welcome to Apers, the AI-powered platform built for real estate professionals - [Uploading & Understanding Documents](https://docs.apers.app/ingestion.md): Learn how Apers' powerful unstructured data ingestion engine processes your files - [Library](https://docs.apers.app/library/01-overview.md): Learn how to store and reuse templates, models, and documents across all your deals - [Adding Files](https://docs.apers.app/library/02-adding-files.md): Learn how to upload files and save work to your Library - [Using Files](https://docs.apers.app/library/03-using-files.md): Learn how to import files from your Library into Chats and Deals - [Best Practices](https://docs.apers.app/library/04-best-practices.md): Tips for organizing and getting the most out of your Library - [Marketplace](https://docs.apers.app/marketplace/overview.md): Browse and acquire pre-built models and skills for your real estate workflows - [Purchasing](https://docs.apers.app/marketplace/purchasing.md): How to purchase models and skills from the Marketplace - [Using Your Purchases](https://docs.apers.app/marketplace/using-purchases.md): How to put purchased models and skills to work in your deals and chats - [Playbook](https://docs.apers.app/playbook/01-overview.md): Learn how to create and deploy your investment thesis with Playbooks - [Creating a Playbook](https://docs.apers.app/playbook/02-creating-a-playbook.md): Learn how to create a new playbook using Express or Precision Mode - [Express Mode](https://docs.apers.app/playbook/03-express-mode.md): Let Apers build your playbook automatically from a description - [Precision Mode: Investment Thesis](https://docs.apers.app/playbook/03-precision-mode-investment-thesis.md): Define what you're investing in and why - [Precision Mode: Criteria](https://docs.apers.app/playbook/04-precision-mode-criteria.md): Define your must-pass rules and return targets - [Precision Mode: Review & Save](https://docs.apers.app/playbook/05-precision-mode-review-save.md): Review your playbook and save it for deployment - [Using Playbooks](https://docs.apers.app/playbook/06-using-playbooks.md): Learn how to deploy playbooks to evaluate deals - [Creating Presentations](https://docs.apers.app/presentations/creating-presentations.md): Learn how to create new presentations from scratch - [Editing Presentations](https://docs.apers.app/presentations/editing-presentations.md): Learn how to edit and update existing presentations - [Overview](https://docs.apers.app/presentations/overview.md): Learn how Apers creates and edits presentations for you - [Quickstart](https://docs.apers.app/quickstart.md): Start modeling with Apers Excel Spreadsheet AI in minutes - [Saving & Reusing Knowledge](https://docs.apers.app/saving-knowledge.md): Learn how to use the Library to accumulate insights and reuse files across deals - [Templates](https://docs.apers.app/templates.md): Use pre-built templates to get started quickly across Deals, Documents, Playbooks, and Workflows - [Automating Tasks wth Workflows](https://docs.apers.app/workflow-automation.md): Learn how to automate repetitive tasks using Workflows in Apers - [Workflows](https://docs.apers.app/workflows/01-overview.md): Learn how to automate repetitive tasks with Workflows - [Building a Workflow](https://docs.apers.app/workflows/02-building-a-workflow.md): Learn how to create and configure your own workflows - [Running a Workflow](https://docs.apers.app/workflows/03-running-a-workflow.md): Learn how to run workflows in Deals and Chats ## OpenAPI Specs - [openapi](https://docs.apers.app/api-reference/openapi.json) ## Optional - [Launch Apers](https://ai.apers.app/) - [Visit Our Side](https://apers.app/)