Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Buy a house
Chop wood, mine ore, and cook food
Escape from jail
Join the College of Winterhold
Learn all three words of a shout
Have 100,000 gold
Complete 10 side quests
Join the Dark Brotherhood
Get a skill to 100
Find 13 Standing Stones
Make a smithed item, an enchanted item, and a potion
Clear 50 dungeons
Pick 50 locks and 50 pockets
Absorb 20 dragon souls
Successfully persuade, bribe, and intimidate
Discover 100 Locations
Complete 50 Misc Objectives
Reach Level 25
Reach Level 50
Complete "Bleak Falls Barrow"
Join the Companions
Become a member of the Circle
Acquire a Daedric Artifact
Absorb a dragon soul
Reach Level 10
Reach Level 5
Join the Thieves Guild
Select a Standing Stone blessing
Complete "Unbound"
Complete "The Way of the Voice"
Complete "Diplomatic Immunity"
Complete "Alduin's Wall"
Complete "Elder Knowledge"
Complete "The Fallen"
Complete "Dragonslayer"
Complete "Glory of the Dead"
Complete "Revealing the Unseen"
Complete "The Eye of Magnus"
Complete "Darkness Returns"
Returned the Thieves Guild to its former glory
Complete "Bound Until Death"
Complete "Hail Sithis!"
Join the Stormcloaks or the Imperial Army
Capture Fort Sungard or Fort Greenwall
Capture Solitude or Windhelm
Get married
Bounty of 1000 gold in all nine holds
Read 50 Skill Books
Collect 15 Daedric Artifacts
Learn 20 shouts
Arrive on Solstheim
Discover 30 locations on the island of Solstheim
Complete "The Temple of Miraak"
Complete "The Path of Knowledge"
Complete "At the Summit of Apocrypha"
Learn all 3 words of Dragon Aspect
Learn the secrets of 5 Black Books
Craft an item out of Stalhrim
Tame and ride 5 dragons
Own a house in Raven Rock
Use the special power of Auriel's Bow
Defeat a Legendary Dragon
Change your face
Complete "Awakening"
Complete "Beyond Death"
Complete "Kindred Judgment"
Complete "Lost to the Ages"
Learn all three words of Soul Tear
Acquire 11 werewolf perks
Acquire 11 vampire perks
Adopt a child
Buy a plot of land
Build three wings on a house
Buy three plots of land
Build three houses