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